Decay


Low Earth orbiting satellites experience orbital decay and have physical lifetimes determined almost entirely by their interaction with the atmosphere. The drag force that such a satellite experiences is due to its interaction with the few air molecules that are present at these altitudes. The density of the atmosphere at LEO heights is controlled by solar X-ray flux and particle precipitation from the magnetosphere and so varies with the current space weather conditions.

last update: 2019-02-17 21:25:50.230 UTC
10.8 cm flux = 71.000000

date             satellite   norad   epoch          decay
2019-02-28  ==>  QBEE        42708   19048.539543   19059.212421
2019-03-01  ==>  HAVELSAT    42700   19048.512010   19060.669490
2019-03-02  ==>  SPACECUBE   42717   19048.547720   19061.737190
2019-03-11  ==>  OSIRIS-3U   43027   19048.510330   19070.658465
2019-03-23  ==>  SNUSAT-1A   42733   19048.529672   19082.027440
2019-03-23  ==>  OOREOS      42733   19048.529672   19082.027440
2019-04-01  ==>  SOMP2       42701   19048.538709   19091.271854
2019-04-01  ==>  LILACSAT-1  42725   19048.568850   19091.239492
2019-04-05  ==>  SUSAT       42730   19048.525663   19095.454392
2019-04-19  ==>  KICKSAT-2   44046   19047.957969   19109.080932
2019-04-20  ==>  SNUSAT-1B   42727   19048.538318   19110.474351
2019-05-14  ==>  BIRD-J      42820   19047.839802   19134.522847
2019-06-07  ==>  BEEAGLESAT  42736   19048.532892   19158.477273
2019-06-09  ==>  CSUNSAT1    42715   19048.506683   19160.268721
2019-06-11  ==>  BIRD-M      42822   19048.526104   19162.784054
2019-06-11  ==>  BIRD-N      42824   19047.814352   19162.285940
2019-06-12  ==>  BIRD-B      42823   19048.544938   19163.864474
2019-06-27  ==>  BIRD-G      42821   19048.257245   19178.983787
2019-07-05  ==>  PHOENIX     42706   19048.505581   19186.429580
2019-07-05  ==>  AOXIANG-1   42735   19048.472922   19186.947334
2019-07-13  ==>  ZA-AEROSAT  42713   19048.516950   19194.531328
2019-07-24  ==>  NJUST-1     42722   19048.416216   19205.076569
2019-07-25  ==>  TANUSHA-1   42911   19048.410054   19206.103028
2019-08-25  ==>  TANUSHA-2   42912   19048.443116   19237.696786
2019-08-25  ==>  HORYU-2     42912   19048.443116   19237.696786
2019-09-20  ==>  BRICSAT     40655   19046.261325   19263.690596
2019-10-18  ==>  TPU-120     42910   19048.426015   19291.045388
2020-06-08  ==>  IRAZU       43468   19048.529525   20160.429672
2020-06-22  ==>  NSIGHT-1    42726   19047.863276   20174.607663
2020-09-15  ==>  UBAKUSAT    43466   19048.508832   20259.752329
2020-09-28  ==>  TANUSHA-3   43597   19047.933390   20272.146852
2020-12-04  ==>  TANUSHA-4   43598   19047.744903   20339.783304
2020-12-30  ==>  PW-SAT2     43814   19047.902584   20365.789087
2021-02-07  ==>  ENDUROSAT   43551   19047.742171   21038.680409
2021-03-01  ==>  SIRIUSSAT-2 43596   19047.911904   21060.714395
2021-03-29  ==>  SIRIUSSAT-1 43595   19047.894111   21088.861652
2021-04-22  ==>  BIRD-PH     43590   19047.774942   21112.590848
2021-04-27  ==>  PSAT        40654   19046.482691   21117.529547
2021-04-30  ==>  TW-1C       40926   19048.497860   21120.523875
2021-05-28  ==>  EQUISAT     43552   19047.779658   21148.813915
2021-06-15  ==>  TW-1B       40927   19048.407411   21166.778689
2021-06-19  ==>  BIRD-MY     43589   19048.547594   21170.499706
2021-06-27  ==>  BIRD-BT     43591   19048.539179   21178.127395
2021-07-10  ==>  UBAKUSAT    43467   19048.511509   21191.110042

 
calculations based on SatEvo

One thought on “Decay

  1. 2019-02-27 ==> FOX-1C 42700 19037.681851 19058.483559
    2019-02-27 ==> HAVELSAT 42700 19037.681851 19058.483559

    FOX-1C/AO-95 is object 43770.

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