American satellite faces explosion due to unexplained anomaly


US-owned Spaceway-1 telecommunications satellite could explode due to an unexplained anomaly. It is capable of causing substantial and irreversible damage to the thermal batteries of the device. This information was published by SpaceNews.


The requirements of regulators from the United States say that before decommissioning a space satellite must produce all of its fuel, which is on board for maneuvering in outer space. In this case, this must be done before the end of February, although DirecTV, which is the operator of Spaceway-1, claims that the satellite could have had enough fuel until 2025.

Usually, it takes 2-3 months to decommission a satellite, but you have to hurry up. All procedures must be completed before the end of February, when the satellite is in the shadow of the Earth. For this, batteries will be used, although this carries a potential danger.

To reduce the contamination of the orbit by the satellite fragments that form after the explosion, the operator company with the help of maneuvers "raised" the trajectory by 300 kilometers.

The Spaceway-1 satellite manufactured by Boeing launched the Ukrainian Zenit-2005SL rocket into orbit in 3. It was assumed that the satellite will last 12 years, that is, until 2017.

Experts note that the anomaly may be associated with an increased absorption coefficient of solar radiation from the solar apparatus.
Photos used:
Boeing Corporation
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  1. Observer2014 25 January 2020 14: 23 New
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    MIKHAN entered the orbit of the Earth?whatBut seriously, yes. Everything happens. And radiation from the Sun is far from a present for spacecraft.
    1. BISMARCK94 25 January 2020 14: 28 New
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      everything is possible) used to be only on VO, now makes its way to TV)
      1. Starover_Z 25 January 2020 15: 45 New
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        The Spaceway-1 satellite manufactured by Boeing launched the Ukrainian Zenit-2005SL rocket into orbit in 3.

        Boeing began to hack in this millennium ?! Or there, too, d'effective menachers gradually become at the helm ?! And carry out optimizations in order to save their "cabbage"?
        1. Shurik70 25 January 2020 18: 10 New
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          To reduce the contamination of the orbit by satellite fragments that form after the explosion, the operator company with the help of maneuvers "raised" the trajectory by 300 kilometers

          That is, now, instead of 50 years of whirling in low orbits, before they finally fall, fragments will pollute the higher orbits of 300 years ...
          A wonderful American concept - so as not to increase the garbage dump, let's make another dump
          am
          1. opus 25 January 2020 22: 36 New
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            Quote: Shurik70
            That is now, instead of 50 years of circling nor low orbits,

            the described satellite
            Its working position in a geostationary orbit is 35,800 km (22200 miles) above the equator at 103,0 degrees west longitude.

            approx.
            The satellite was launched using Zenith 3SL LV with Sea Launch from the equatorial platform Odyssey April 26, 2005
            The Sea Launch Zenit-3SL rocket lifted off at 12:31:30 am PDT (07:31:30 GMT), precisely on schedule, from the Odyssey Launch Platform, positioned at 154 degrees West Longitude. All systems performed nominally throughout the flight. The Block DM-SL upper stage inserted the 6,080 kg (13,376 lb) Spaceway satellite into geosynchronous transfer orbit, on its way to a final orbital position of 102.8 degrees West Longitude. A ground station in South Africa acquired the spacecraft's first signal less than an hour after liftoff, as planned.
            The heaviest geoorbite satellite was at one time ...
            1. Shurik70 25 January 2020 23: 28 New
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              Geostationary?
              Then, perhaps, they did it right.
              Over the years, there will be a flea market in this orbit, as at rush hour on a city highway. To drop from such an orbit to Earth is a more complicated task than to give a second space one (for this orbit the difference between the orbital and the second space one is only 2 m / s, and if we take into account the possibility of a "gravitational sling" from the Moon, then even less). Looks like there wasn’t enough fuel for such a sling.
              1. opus 26 January 2020 01: 10 New
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                Quote: Shurik70
                Over the years, there will be a flea market in this orbit

                there a flea market already, for a long time, in points especially. Quotas have been distributed for a long time and dodged from those who drank.
                AMC-9 satellite fragmentation video (almost everyone crap one's pants)

                the satellite drifts relative to working satellites at another point of standing. In the background, even an open cluster of stars can be seen.

                Kessler’s syndrome, as shown in Gravity, does not yet face a geostationary orbit, but the question remains whether humanity can litter it into serious use problems.

                Quote: Shurik70
                what to give the second space (for this orbit, the difference between the orbital and the second space is only 2 m / s

                1. Speed ​​at the geostationary 3,1 km / s

                h substitute almost 33000km, count
                2. The speed of the 2nd space is 11,2 km / s
                where are the "firewood"
                Quote: Shurik70
                total 1273 m / s,

                ?
                full 8,1 km / s (EIGHT) DIFFERENCES.
                Check me, suddenly I'm wrong?

                belay
                3. The result is 1 + 2 = they are trying to deduce that Saturn 5 is needed again (just kidding), well, or 1B (just kidding again), at worst “end” Du “Moon-15 is needed.
                Quote: Shurik70
                Looks like there wasn’t enough fuel for such a sling.

                at the satellite considered in Sathya, the remainder is 73 kg of bipropellant on board ...
                Boeing does not say specifically, but most likely nitrogen tetroxide or nitric acid + asymmetric dimethylhydrazine
                Rocket Fuel Saga


                MI about 2800m / s = it will not be enough ....
                wink
                1. Shurik70 26 January 2020 11: 54 New
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                  Quote: opus

                  Quote: Shurik70
                  what to give the second space (for this orbit, the difference between the orbital and the second space is only 2 m / s

                  1. Speed ​​at the geostationary 3,1 km / s

                  h substitute almost 33000km, count
                  2. The speed of the 2nd space is 11,2 km / s
                  where are the "firewood"

                  11,183 km / s is close to the surface Earth (low orbits). Here the first space 1 km / s
                  The 2nd cosmic is ROOT TWO times larger than the first cosmic.
                  1st space for geostationary 3074 m / s
                  Accordingly, the 2nd space station at the geostationary station is 4347 m / s
                  Difference 1273 m / s
                  1. opus 26 January 2020 12: 34 New
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                    Quote: Shurik70
                    Accordingly, the 2nd space station at the geostationary station is 4347 m / s
                    Difference 1273 m / s

                    You need to send to NASA ..
                    Read here though
                    Space speeds - MEPhI

                    You just forget that to get the second space one, you still need the total characteristic speed equal to about 2-13 km / s, taking into account the aerodynamic and gravitational losses at launch (estimated, according to various sources, at 13,5 -: - 1,2 km / s), there is no escape from this.
                    1. Shurik70 26 January 2020 12: 38 New
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                      Quote: opus

                      You just forget that to get the second space one, you still need the total characteristic speed equal to about 2-13 km / s, taking into account the aerodynamic and gravitational losses at launch (estimated, according to various sources, at 13,5 -: - 1,2 km / s), there is no escape from this.

                      What are the aerodynamic losses? The satellite is already in orbit.
                      EVERYTHING ALREADY was spent at the time when the satellite was launched into geostationary orbit.
                      All these expenses are already made.
                      1. opus 26 January 2020 12: 54 New
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                        Quote: Shurik70
                        What are the aerodynamic losses?


                        Quote: Shurik70
                        EVERYTHING ALREADY EXPENDED

                        1. I am writing to you about CHARACTERISTIC speed
                        2. Is it "spent" there for free?
                        nothing changes from a change in terms of terms = energy (fuel) costs
                        3. Conclusion to the geostationary station, with the subsequent launch to the moon, is a much more expensive way than starting from the NOO to the moon, especially taking into account losses due to changes in the orbit's inclination.
                        THEREFORE, so (according to yours) no one flies, does not fly, and will not fly to the moon.
                      2. Shurik70 26 January 2020 12: 59 New
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                        Quote: opus

                        Conclusion to the geostationary station, with the subsequent launch to the moon, is a much more expensive way than starting from the NOO to the moon, especially taking into account losses due to changes in the orbit's inclination.

                        So what?
                        This does not negate the fact that in geostationary orbit satellites fly at a speed of 3074 m / s. And that for this orbit the 2nd orbital 4347 m / s
        2. barsik92090 26 January 2020 00: 39 New
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          In general, it is criminal to destroy satellites by burning in the atmosphere, they must be collected in compact "warehouses" in orbit, for further use as spare parts and materials for future vehicles. The benefit is SPACE!
          1. ccsr 26 January 2020 11: 06 New
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            Quote: barsik92090
            they must be collected in compact "warehouses" in orbit, for further use as spare parts and materials for future devices.

            We had "graveyards" of steam locomotives in case of war, but now they seem to have been eliminated. How could you use them to repair modern Sapsans, for example?
            Quote: barsik92090
            The benefit is SPACE!

            Continuous costs and I think that in the 21st century no one will do this.
  2. The collective farm 25 January 2020 15: 09 New
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    Quote: Observer2014
    MIKHAN entered the orbit of the Earth?whatBut seriously, yes. Everything happens. And radiation from the Sun is far from a present for spacecraft.

    Well, cunning satellites are in orbit with Russia.
    everything else is the application .. hi
    Experts note that the anomaly may be associated with an increased absorption coefficient of solar radiation from the solar apparatus.

    The sun is also for Russia !!! drinks
    1. Observer2014 25 January 2020 15: 15 New
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      "The sun is also for Russia" No doubt. drinks By the way, they say that the Americans spotted an inexplicable signal during this same anomaly. There was a clear signal reminiscent of "hehe" yes Infa 100%
      1. The collective farm 25 January 2020 16: 57 New
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        Quote: Observer2014
        "The sun is also for Russia" No doubt. drinks By the way, they say that the Americans spotted an inexplicable signal during this same anomaly. There was a clear signal reminiscent of "hehe" yes Infa 100%

        I'll talk to you again .. soldier
        1. Aerodrome 25 January 2020 18: 26 New
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          Quote: Collective Farm
          Quote: Observer2014
          "The sun is also for Russia" No doubt. drinks By the way, they say that the Americans spotted an inexplicable signal during this same anomaly. There was a clear signal reminiscent of "hehe" yes Infa 100%

          I'll talk to you again .. soldier

          laughing eh, mihan ....
  3. Zoldat_A 26 January 2020 11: 21 New
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    Quote: Observer2014
    Anything can happen, and radiation from the Sun is far from a gift to spacecraft.

    Two Voyagers are still flying. Or did America “suddenly” forget how to make batteries for satellites?

    Well, remember ... How America "suddenly" forgot how to build rockets that could provide the "American lunar program." Suddenly. The cleaner accidentally threw the blueprints into the wastebasket (official, just don't laugh, version). Hollywood is grinning. laughing
  • Mountain shooter 25 January 2020 14: 32 New
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    Is Russia not to blame? Amazing !!! Must be to blame ...
    1. The leader of the Redskins 25 January 2020 15: 03 New
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      Anomalies already awarded the title of Hero of Russia!
      1. Well done 25 January 2020 16: 16 New
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        And it was not necessary for the Americans to order batteries on aliexpress. The Chinese sold them bullshit, which is not surprising.
      2. ccsr 25 January 2020 18: 18 New
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        Quote: Leader of the Redskins
        Anomalies already awarded the title of Hero of Russia!

        And here Petrov and Bashirov distinguished themselves.
    2. orionvitt 25 January 2020 18: 05 New
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      The American satellite, from a carrier manufactured in Ukraine, became infected with the "Maidan of the central computer." But seriously, who can explain the vague wording to me
      the anomaly may be associated with an increased absorption coefficient of solar radiation from the solar apparatus.
      Is this an overload in nutrition? If they are about high-energy particles, then they affect the entire electronics as a whole, and not only solar panels alone.
      1. barsik92090 26 January 2020 00: 29 New
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        just the author is rather dumb.
  • knn54 25 January 2020 14: 32 New
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    The design life has exceeded almost three years.
  • axiles100682 25 January 2020 14: 40 New
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    Some chemical processes in the batteries under the influence of solar radiation did not proceed as calculated. But why did they raise the orbit, and not vice versa? It was necessary to reduce it from the orbit and flood it. Trash in orbit is dangerous.
    1. Charik 25 January 2020 14: 56 New
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      And on Earth, space debris is not dangerous?
      1. axiles100682 25 January 2020 15: 50 New
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        Well, in the first place, the satellite is not so large and most of it would burn in dense layers of the atmosphere. the explosion in which direction the fragments will fly, and what speed will they receive from the explosion?
    2. Blackmokona 25 January 2020 15: 12 New
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      There is not enough fuel at the device to reach the Earth. Yes, and a lot of time will be required.
      He is too high. Top is buried from its orbit
      1. axiles100682 25 January 2020 15: 53 New
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        It is written that fuel could work until 20. Earth has not been canceled yet and all satellites that have developed their resources are gradually attracted to the ground
        1. Blackmokona 25 January 2020 16: 59 New
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          No, satellites can fly away during their service.
          And fuel for 5 years is to maintain orbit, and not to active flight. They do not change their orbit because the Earth attracts. And because gravity changes due to a change in the position of the planets, its heterogeneity with respect to all points on the earth, etc.
          1. axiles100682 25 January 2020 17: 03 New
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            To the top ??? laughingDid you seriously say that right now? In order for it to fly away, as you put it “to the top”, it also needs fuel to fly to the point where the earth’s gravity will be the smallest or where it will fall under the attraction of another object.
            1. Blackmokona 25 January 2020 17: 05 New
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              So in order to fly up to 300 km the top he needs a lot less fuel than to go down 30 or more thousand kilometers. A change in orbit height is made by a change in speed. The higher the speed, the higher the orbit, the lower the speed, the lower the orbit. Thus, to reduce the orbit, he needs a lot of fuel
              1. axiles100682 25 January 2020 17: 12 New
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                No, it is not true. In both cases, it needs little fuel. Since space is an absolute vacuum and the resistance in orbit is only from the magnetic field of the earth. The lower the orbit, the greater the resistance, the stronger the satellite is attracted to the earth and the faster it will fall to the earth. in fact, they simply delayed his fall no more. And it would be normal if there were no threat of an explosion.
                1. Blackmokona 25 January 2020 19: 42 New
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                  This doesn’t work, download yourself some kind of KSP to play with
              2. opus 25 January 2020 18: 29 New
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                Quote: BlackMokona
                The higher the speed, the higher the orbit, the lower the speed, the lower the orbit. Thus, to reduce the orbit, he needs a lot of fuel

                Buddy is a fallacy.
                THAN ABOVE ORBIT SPEED BELOW
                Vorb = sqrt (G * M / (R +h))
                G is the gravitational constant
                M is the mass of the planet
                R is the diameter of the planet
                h- ORBIT HEIGHT
                data:
                Vfirst cosmic on the Earth’s surface = slightly more than 7,9km / s
                V pc low reference = 7,8-6,9 km / s
                V pc geostationary orbit = 3,1 km / s
                belay
                such a paradox. (Newton’s 2nd law + centripetal acceleration formula)
                increasing speed, you will leave for a parabola, then to the moon, then reach the second cosmic V.
                BUT, in order to increase the orbits, it doesn’t need to be slowed down, it is increased, when the thrust vector is more than 90 degrees to the vector of orbital bark

                Quote: BlackMokona
                he needs a lot of fuel

                small, very small, it is necessary that the thrust vector (acceleration) swim opposite to the V orbital vector
                1. Blackmokona 25 January 2020 19: 44 New
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                  Then why a rocket capable of pulling 22,8 tons to a low one cannot a couple of tons at a GSO?
                  1. opus 25 January 2020 20: 17 New
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                    Quote: BlackMokona
                    Then why a rocket capable of pulling 22,8 tons to a low one cannot a couple of tons at a GSO?

                    but the force of gravity of the Earth (gravity well) must be overcome !!!
                    It is still necessary to expend energy proportional to Ep = m * h
                    The Americans "flew" (even so to the moon, scored 2 space speed:
                    11 km / s (38 945 km / h)
                    as you move away from Earth, the speed of the Apollo decreased: motion slowed the attraction of our planet. And when the “Apollo” flew near the Moon, its speed was a little more than 2,5 km / s (and THIS TAKING INTO ACCOUNT that after that point the Moon already drove Apollo 11)
                    just many people confuse and do not look at the formula (I brought it).
                    To increase the orbit does not mean that you need to slow down, on the contrary, you need to "give an impulse", but at the same time, when moving to a higher orbit, the orbital speed will DECREASE.
                    example: an impulse of 140 m / s with DOE, which would be enough to rotate the orbit by 1 °, is able to change the flight altitude by 240 km, while the speed (orbital) will decrease, you can count
                    V2orb = sqrt (G * M / (R +440 000m))
                    Vorb = sqrt (G * M / (R +200000))
                    just substitute the values ​​and understand.
                    If you are very interested and not lazy:
                    1. Oyo Sarkazmi 25 January 2020 22: 52 New
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                      Blackmokona speaks correctly. If you add 1 km / s at the geostationary, then fly away 100 thousand km up. If you subtract 1 km / s from the orbital speed, descend only 20 thousand km, and 18 thousand years will not fall to Earth.
                      Therefore, the orbit of the “burial place” is higher, about 50 thousand km above the Earth, there are enough weak engines to climb higher from the geostationary station, but not to go much lower.
                      1. opus 26 January 2020 00: 58 New
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                        Quote: Oyo Sarkazmi
                        If you add 1 km / s at the geostationary, then fly away 100 thousand km up. If you subtract 1 km / s from the orbital speed, descend only 20 thousand km, and 18 thousand years will not fall to Earth.

                        good

                        1. only in geostatsioanarnoy or vaaasche (in orbit)?
                        2. For very UO (smart, of course) I will repeat
                        Quote: opus
                        Vorb = sqrt (G * M / (R + h))

                        or Schaub was clearer (maybe your visual ripple more contributes to the perception of reality)

                        In the picture, the digits were set.
                        The radius of the Earth is constant, but experiment with the height of the orbit, then tell us.
                        3. iron here (you can check)

                        something stupid somehow does not grow together with your
                        Quote: Oyo Sarkazmi
                        If you subtract 1 km / s from the orbital speed, descend only 20 thousand km, and 18 thousand years will not fall to Earth.

                        negative
                        Shl.
                        Quote: Oyo Sarkazmi
                        BlackMokona is right.

                        BlackMokona doesn’t say that anymore, for a reason, he knows how to think.
                        Quote: Oyo Sarkazmi
                        and to go down much lower - no.

                        pah.
                        the “burial” from the geostationary is a bit creepy in that it will carry very, very much that it is not necessary to demolish.
                        at the geostationary station there are 440 satellites (for 2017) and at the IEO and nearby +/- THESE.
                        Q?
                      2. Blackmokona 26 January 2020 06: 46 New
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                        Yes, it seems to run into delta-v, without taking into account the real speed of movement.
                        Was wrong
                      3. opus 26 January 2020 12: 06 New
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                        Quote: BlackMokona
                        Yes, it seems to go wrong in delta-v

                        and what, such a delta (5)?
                        Quote: BlackMokona
                        Was wrong

                        Yes, with the orbitalko everything is "simple"
                        1. You give an impulse (acceleration) whose vector coincides or from 0 to 90 to the orbital velocity vector at the orbit point.
                        2. The height of the orbit increases, and the orbital speed decreases
                        F = m * a = G * M / (R + h) ^ 2
                        a = v ^ 2 / (R + h)
                        In fact, rising to the top you increase Ep (potential), spending Ek (kinetic)
                        Ek = m * V ^ 2 / 2
                        tk mass does not change speed should decrease.
                        somehow wink
                      4. Blackmokona 26 January 2020 13: 07 New
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                        The characteristic speed of the orbital maneuver in astrodynamics and rocket dynamics is the change in the speed of the spacecraft, which is necessary for performing the orbital maneuver (change in the trajectory). It is a scalar and has the dimension of speed. It is designated in the formulas as Δv (delta-v; pronounced delta-ve). In the case of a jet engine, a change in speed is achieved by ejecting a working fluid to produce jet propulsion, which accelerates the spacecraft.
  • Piramidon 25 January 2020 16: 02 New
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    Quote: BlackMokona
    Top is buried from its orbit

    Will they send to the Sun? winked
    1. Blackmokona 25 January 2020 16: 59 New
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      Into orbit
  • ccsr 25 January 2020 18: 26 New
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    Quote: BlackMokona
    There is not enough fuel at the device to reach the Earth.

    As far as I know, a working fluid is needed for braking, not for flight.
    Quote: BlackMokona
    Top is buried from its orbit

    Up - is it with the departure from the orbit of the Earth into deep space, or is it just delaying the time of its fall to Earth? The second is no less dangerous, because the orbital constellation is growing quantitatively, and an uncontrolled satellite will be a great danger to future manned flights, like world warheads in cities with dense buildings. So it is better to introduce it now into the dense layers of the atmosphere for destruction - this is obvious.
    1. opus 25 January 2020 22: 28 New
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      Quote: ccsr
      the working fluid is needed for braking, not for flight.

      the working fluid is spent on maintaining stable orbit parameters: compensation of the pressure of the solar "wind", any dust / micromethorites, rare atmospheric molecules, the operation of its own mechanisms (gyroscopes, battery drives, switches, etc.) + Of course a lot of fuel is spent on "dodging"
      Quote: ccsr
      into outer space

      into the second burial orbit (for geostationary)
      Today (2017) there are more than 440 satellites in geostationary orbit, and much more debris. On the one hand, there is enough free space on it (not taking into account the standing points, there is just a shortage of them), and in a sense it “cleans itself”. On the other hand, this garbage will not go anywhere from the vicinity of the geostationary orbit - in contrast to the low Earth, satellites here can exist for millennia.

      Quote: ccsr
      and an uncontrolled satellite will be a great danger for future manned flights,

      it won’t be, because it’s at the geostationary (as well as geosynchronous see b), and this is a “narrow” place


      Quote: ccsr
      as ammunition of the second world in cities with dense buildings.

      it

      just looks scary because the scale
      1. ccsr 26 January 2020 10: 59 New
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        Quote: opus
        the working fluid is spent on maintaining stable orbit parameters:

        Not only - for the descent from orbit, it is also required.
        Quote: opus
        On the other hand, this garbage will not go anywhere from the vicinity of the geostationary orbit - in contrast to the low Earth, satellites here can exist for millennia.

        Those. it will constantly grow, including from the destruction of spacecraft from collisions with chats of extraterrestrial origin, or from the remnants of other satellites that have failed for various reasons. I understand that this is still not so tragic, but where is the guarantee that with the growth of countries using geostationary satellites, this century there will not be any problems with the apparatus that controls the country, or the armed forces? The problem is how to understand why the satellite stopped working and if this is not the beginning of preparation for war.
        Quote: opus
        it won’t be, because it’s at the geostationary (as well as geosynchronous see b), and this is a “narrow” place

        As far as I remember, about 40 satellites in the geostationary orbit belonging to the United States are still not identified and their purpose is not defined by us. So you should not be big optimists in this matter - as it was said in one film "the enemy is cunning and treacherous" ....
        1. opus 26 January 2020 12: 23 New
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          Quote: ccsr
          Not only - for the descent from orbit, it is also required.

          It is required of course (if provided), but this is a minuscule
          Nominal costs of the characteristic speed of descent from a circular orbit for the angle of entry GOST 25645.301-83 Ballistic calculations of artificial Earth satellites. The methodology for calculating fuel costs for maneuvering in the range from minus 0,2 to minus 4,0 degrees depending on the height of the orbit is given in Table 9-47. In the calculation, the following assumptions are made:
          - there is no braking of the satellite by the atmosphere when flying along an elliptical trajectory;
          - the atmospheric boundary corresponds to an altitude of 100 km, GOST 25645.301-83
          the atmospheric boundary corresponds to an altitude of 100 km, GOST 25645.301-83 / r atm = 6478,4 km.
          Ballistic calculations of artificial Earth satellites. Methodology for calculating fuel costs for maneuvering
          .

          in fact, you can "throw a package" with garbage "against wool"of the orbital velocity vector and the descent begins, though it will not be calculated / controlled

          Quote: ccsr
          I understand that this is still not so tragic, but where is the guarantee that with the growth of countries using geostationary satellites, this century there will not be any problems with the apparatus that controls the country, or the armed forces?

          The second orbit of the burial is higher than the geostationary one by 2-200 km. Buried people do not intersect with the geostationary.
          Quote: ccsr
          40 satellites in US geostationary orbit

          geostationary is: communication, television, but in a narrow strip from the equator.
          To us, located north of 40 ° N they are not very dangerous.
          Brazil, Colombia, Indonesia, Congo, Kenya and other countries close to the equator tried to take under their sovereignty the geostationary orbit.
          1. ccsr 26 January 2020 16: 02 New
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            Quote: opus
            geostationary is: communication, television, but in a narrow strip from the equator.
            To us, located north of 40 ° N they are not very dangerous.

            A satellite of electronic intelligence and electronic warfare is dangerous for us in any orbit, including geostationary:
            US military satellites operating in geostationary orbit as part of the U.S. Air Force secret program GSSAP (project on space observations of satellites of other countries), Recently show active movements, according to the Russian Astro-Space Scientific Center.
            This became known from the results of the work of Russian tracking equipment. According to the ANC, the Russian automated system for warning of dangerous situations in near-Earth space recorded many movements of all four GSSAP satellites, FAN reports.

            https://www.gazeta.ru/army/2019/01/26/12144295.shtml
  • astepanov 25 January 2020 17: 34 New
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    Quote: axiles100682
    Some kind of chemical processes in the batteries

    And where are the chemical processes?
    The article is junk. “Inexplicable processes” and processes that could not be explained are different things.
    Thermal batteries are also nonsense. There are no heat batteries on the satellite, because heat sources are called primary current sources with an electrolyte from a mixture of salts, charged by pyrotechnic heating. Such sources work once and for a few minutes. In the article, we are talking either about cooling radiators, or about solar panels.
    It seems that they took an article from the Western "jaundice" and hastily translated it with the help of a Google translator, without delving into the content.
    1. ccsr 26 January 2020 16: 12 New
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      Quote: astepanov
      And where are the chemical processes?

      Moreover, to accelerate the charge of chemical current sources in low orbits, special batteries were developed that were able to vent the excess pressure of the hydrogen-air mixture occurring during charging. If this system is violated, then the battery explosion is guaranteed.
      Quote: astepanov
      Thermal batteries are also nonsense. There are no heat batteries on the satellite, because heat sources are called primary current sources with an electrolyte from a mixture of salts, charged by pyrotechnic heating.

      It’s not necessary at all - radioisotope thermoelectric generators were used in our first Lunokhods. It’s just that the method of generating heat is different, and thermocouples are used instead of chemical sources. So if an RTG is installed on the satellite, then it can also explode.
      1. astepanov 27 January 2020 11: 13 New
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        Quote: ccsr
        Moreover, to accelerate the charge of chemical current sources in low orbits, special batteries were developed that were able to vent the excess pressure of the hydrogen-air mixture occurring during charging.
        Nickel-hydrogen and alkaline batteries on satellites are no longer in use, they were replaced by lithium-ion, in which hydrogen is not released. And what "air" mixture are you talking about?
        Quote: ccsr
        So if an RTG is installed on the satellite, then it can also explode.

        There is nothing to explode in the RTG. It is entirely solid.
        1. ccsr 27 January 2020 13: 34 New
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          Quote: astepanov
          on satellites are out of use, they were replaced by lithium-ion, in which hydrogen is not released.

          Hydrogen is not emitted, but they also explode when recharged - I hope this is not news for you.
          Quote: astepanov
          There is nothing to explode in the RTG. It is entirely solid.

          When semiconductor thermoelements are destroyed, heat transfer to the radiator deteriorates, and irreversible radioisotopic heat from this can lead to overheating of other structural elements, which can trigger an explosion if the RTG is installed in an airtight device.
          1. astepanov 27 January 2020 14: 30 New
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            Yes, lithium-ions can explode, even when taking special protective measures. Regarding the explosion of the RIEG, one can argue - but I won’t. But agree that the article is more than slurred?
            1. ccsr 27 January 2020 19: 06 New
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              Quote: astepanov
              But agree that the article is more than slurred?

              Yes, the article is clearly whipped up, and this can be seen from this phrase:
              that the anomaly may be related to the increased absorption coefficient of solar radiation apparatus by solar batteries.

              The efficiency of the solar battery is a constant value for this type of converter, and can only fall from time to time.
              Quote: astepanov
              Regarding the explosion of the RIEG, one can argue - but I won’t.

              One of the versions of the fall of our satellite in Canada was precisely the RTG malfunction, from which the failure started and there was a depressurization of the instrument compartment.
  • opus 25 January 2020 18: 38 New
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    Quote: axiles100682
    That’s why they raised the orbit, and not vice versa? It was necessary to reduce it from the orbit and flood it. Trash in orbit is dangerous.

    the author of the article misleads everyone. somehow you can translate / read- xs fool

    FCC approves DirecTV request on January 19 move Spaceway-1 to the cemetery’s orbit over GEOalthough the commission has postponed the decision to allow Spaceway-1 operators to accelerate the normal decommissioning process, not allowing (yet) the discharge of the satellite’s remaining fuel on board until it is finally shut down. Fuel discharge and battery discharge — part of the standard procedure for “passivating” a retired satellite — this reduces the risk and severity of a potential collision or unprovoked explosion.
    “Risk is what we see with the situation of this DirectTV satellite ... it could have consequences for everyone,” said Brian Wyden, director of program planning for the Safe World Foundation.

    The satellite will be taken into orbit of the (second) burial site, there are many of them (such)


    The largest trash orbit for large satellites is located at an altitude of 600 to 1 km. Military reconnaissance satellites with a nuclear power plant are sent to this orbit. At these altitudes, there are dozens of reactor active zones for such satellites. It is believed that parts of the satellites will be able to be in a low junk orbit for more than 000 thousand years, after which the gravity of the Earth will gradually attract active reactors
  • Avior 25 January 2020 19: 56 New
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    Fuel remains in unloading engines
    They want to wait for development, otherwise there may be pollution
  • Amateur 25 January 2020 14: 41 New
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    For this, batteries will be used, although this carries a potential danger.

    Again some weird google rush translation. And again anonymous
    1. solzh 25 January 2020 14: 54 New
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      Quote: Amateur
      Again some weird google rush translation. And again anonymous

      so what's the problem? Translate without a weird translation from Google rush.
      1. Amateur 25 January 2020 14: 57 New
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        Translate without a weird translation from Google rush.

        And what to translate? Have you seen a link to the source somewhere in the text, before or after the text? Or are you the same "source" recourse
        1. solzh 25 January 2020 15: 02 New
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          Quote: Amateur
          Or are you the same "source"

          No.
          Quote: Amateur
          And what to translate? Have you seen a link to the source somewhere in the text, before or after the text?

          Then why write the following comment:
          Quote: Amateur
          Again some weird google rush translation

          What makes you think that this is a translation?
          1. Amateur 25 January 2020 15: 03 New
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            Because they don’t write like that in Russian!
            1. solzh 25 January 2020 15: 06 New
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              Why? Of course, I’m still a diplomat, but I didn’t see anything strange ...
              1. Amateur 25 January 2020 15: 11 New
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                Well, they didn’t see, and okay. The smartphone also has a battery.
                And at the expense of the Russian - "hello, bear! Ya krevedko" - also it seems in Russian.
          2. opus 25 January 2020 18: 42 New
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            Quote: solzh
            What makes you think that this is a translation?

            this is a translation, and mediocre
            here is the source

            briefly, the satellite will be lifted into the second orbit of the burial, higher than the geostationary one. they need to be in time before he slammed, turned off. The on-board electrical unit is powered ONLY from solar panels, the batteries are disconnected, they cannot be used. they were banned from draining the fuel by the FCC (postponed the decision to allow Spaceway-2 operators to speed up the normal decommissioning process).
            The danger of an explosion later in the orbit of the burial is great, if not merged.
            73 kg of the remaining bipropellant on board, they do not have time to drain it regularly, they were not allowed to accelerate (for now).
            the battery there they seem to be "swollen", as happens with smartphones.
            may explode or heat up, is now disconnected from the solar panel.
    2. Free wind 25 January 2020 15: 03 New
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      No one argues, we are from 9-ite itashi as well as a song laughing
  • Tarasios 25 January 2020 14: 45 New
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    US-owned Spaceway-1 telecommunications satellite could explode due to an unexplained anomaly. Anomaly crew awarded with medals and valuable gifts;))
  • Free wind 25 January 2020 14: 51 New
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    No need to guess, see the rent, the chapman with Prokopenko will explain and tell everything.
    1. Charik 25 January 2020 14: 57 New
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      So they, too, guessing, roofing felts from the moon.
  • Aliken 25 January 2020 14: 52 New
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    The Chinese virus has probably reached the orbit, probably from China.
  • Thrifty 25 January 2020 15: 00 New
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    Information is zero! What kind of an anomaly, in what and how does it manifest itself, how was its presence determined at all? ?? Or, they decided to cover their joint during assembly? ??
    1. Blackmokona 25 January 2020 15: 13 New
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      The device has served longer than its service life, which means it’s definitely not a marriage
      1. Lunic 26 January 2020 04: 16 New
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        Well, at least someone noticed this ..
  • Tank jacket 25 January 2020 15: 01 New
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    In Boeing, the level of corruption goes off scale. Boeing is a toxic asset ... Take at least 737 MAX, at least axes falling in Syria ...
  • Naval 25 January 2020 15: 09 New
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    Urgently check where Boshirov and Petrov, maybe they are tired of admiring the spiers and they switched to the stars. laughing
  • zenion 25 January 2020 15: 17 New
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    It is the Russians to blame. They sold non-conditioned nails for the satellite to nail the solar panels.
  • svp67 25 January 2020 15: 37 New
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    The Spaceway-1 satellite manufactured by Boeing launched the Ukrainian Zenit-2005SL rocket into orbit in 3. It was assumed that the satellite will last 12 years, that is, until 2017.
    And in the courtyard 2020 ... Guys, don’t anger God, he already processed it, so he arranged the “Maidan of Thermal Batteries”
  • Lexeus 25 January 2020 17: 05 New
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    How do they manage to say so much without saying anything?)))
  • Doctor Evil 25 January 2020 17: 56 New
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    It seems that the protomolecule from the series "Expansion" exists in reality and still reached the satellite.
  • Mihail2019 25 January 2020 19: 32 New
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    Chet is not an article, but some kind of "snowstorm"! A set of characters combined into words. What is it all about ?!
  • Usher 26 January 2020 00: 49 New
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    What kind of yellow press? What are the headlines?