Decay watch: May 8
Alan Pickup (alan@wingar.demon.co.uk)
Sat, 8 May 1999 17:43:51 +0100
OIG's elset feed suffered yet another interruption during the final
hours of these two decayers...
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Object: #8755 = 76- 24 B = Cosmos 808 r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom May 4 18:37 May 8 18:16 +-2d 27.6 N 3.4 W
SpaceCom May 5 11:39 May 8 12:09 +-2d 29.6 S 79.3 E
SpaceCom May 6 15:27 May 8 14:31 +-9h 9.2 S 129.9 W
SpaceCom May 7 20:02 May 8 04:29 +-6h 52.9 S 32.3 E
SpaceCom May 8 02:46 May 8 09:15 +-4h 25.1 S 124.1 E
SpaceCom May 8 06:59 May 8 09:16 +-1h 18.5 S 124.9 E
SpaceCom May 8 09:11 May 8 09:16 +-1h 18.5 S 124.9 E
SatEvo Apr 28 21:00 May 9 19:00 +-3d
SatEvo Apr 30 19:10 May 7 23:00 +-2d
SatEvo May 3 15:15 May 8 05:00 +-1.2d
SatEvo May 4 19:40 May 8 02:43 +-18h
SatEvo May 5 19:45 May 8 04:12 +-18h
SatEvo May 6 21:35 May 8 07:07 +-8h
SatEvo May 7 21:40 May 8 09:29 +-3h 45.6 N 132.8 E
SatEvo May 8 14:05 May 8 08:34 +-1h 0.0 42.3 W
Final elset:
Cosmos 808 r 3.8 2.6 0.0 5.1 v 140 x 128 km
1 08755U 76024B 99128.26628920 .20792725 -10210-5 17753-3 0 2913
2 08755 81.2006 131.9855 0009132 269.9502 90.1108 16.51884775277809
Note: The final elset has this 16 seconds early against the prediction
I posted here yesterday. I put decay near, or just beyond, a southbound
equator crossing near the eastern tip of Brazil. It is possible, as
SpaceCom suggests, that it survived to decay further around that orbit.
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Object: #11553 = 79- 4 D = Molniya 3-11 r2
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom May 5 01:15 May 8 15:40 +-2d 25.6 S 115.6 E
SpaceCom May 5 21:21 May 8 18:22 +-2d 7.1 S 123.8 W
SpaceCom May 6 17:09 May 8 07:57 +-7h 36.5 S 16.3 E
SpaceCom May 7 14:08 May 8 14:25 +-15h 46.6 S 94.4 W
SpaceCom May 8 02:06 May 8 14:31 +-8h 34.3 S 82.9 W
SpaceCom May 8 09:49 May 8 15:55 +-5h 56.8 S 137.4 W
SpaceCom May 8 12:20 May 8 14:30 +-2h 38.4 S 86.5 W
SpaceCom May 8 15:14 May 8 14:30 +-36m 38.8 S 86.8 W
SatEvo May 4 19:45 May 8 21:33 +-1.5d
SatEvo May 5 20:00 May 8 23:00 +-1d
SatEvo May 6 21:45 May 8 04:25 +-12h
SatEvo May 7 21:55 May 8 15:55 +-8h 58.8 S 158.5 E
SatEvo May 8 16:20 May 8 14:26 +-15m 48.0 S 97.1 W
Final elset:
Molniya 3-11 r2 402 x 79 km
1 11553U 79004D 99128.56283068 .99999999 98169-5 12373-2 0 3848
2 11553 61.9390 21.5922 0244075 287.1135 154.6687 16.12422986147139
Note: I believe that the final elset is for the final orbit and that
it survived only a short distance beyond the perigee on that rev.
Re-entry probably occurred SW of S America while northbound towards
S Peru.
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Alan
--
Alan Pickup | COSPAR 2707: 55d53m48.7s N 3d11m51.2s W 156m asl
Edinburgh | Home: alan@wingar.demon.co.uk +44 (0)131 477 9144
Scotland | SatEvo page: http://www.wingar.demon.co.uk/satevo/