Update on the JERS 1 decay from my Decay Watch page...
_____________________________________________________________________
Object: #21867 = 92- 7 A = JERS 1
Notice prepared: 2001 Dec 3 07:30 UTC
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Nov 29 19:57 Dec 3 16:03 +-2d 53.2 N 29.6 W
SpaceCom Nov 30 15:26 Dec 3 13:58 +-2d 21.1 S 174.4 E
SpaceCom Dec 1 11:35 Dec 3 09:35 +-1d 7.9 S 121.8 W
SpaceCom Dec 2 10:51 Dec 3 03:56 +-11h 42.7 N 44.9 W
SpaceCom Dec 3 01:29 Dec 3 13:38 +-7h 82.2 S 80.8 E
SpaceCom Dec 3 07:28 Dec 3 13:52 +-4h 34.7 S 178.1 E
SatEvo Nov 30 19:00 Dec 3 12:31 +-20h
SatEvo Dec 1 17:25 Dec 3 09:06 +-12h
SatEvo Dec 2 19:30 Dec 3 06:46 +-4h 40.2 N 88.4 W
SatEvo Dec 3 07:50 Dec 3 12:32 +-3h 16.0 N 170.6 W
Latest elset:
JERS 1 3.1 0.9 1.8 6.8 d 10 172 x 159 km
1 21867U 92007A 01337.27634050 .13132631 26564-5 10236-2 0 8433
2 21867 97.6053 91.6735 0009875 279.6167 80.4119 16.40121001539178
SatEvo prediction:
JERS 1 3.1 0.9 1.8 6.8 d 10 165 x 154 km
1 21867U 92007A 01337.33728769 .19609421 29472+0 91195-3 0 98431
2 21867 97.6046 91.7471 0008955 279.3631 80.5356 16.42432203539185
JERS 1 3.1 0.9 1.8 6.8 d 10 157 x 147 km
1 21867U 92007A 01337.39816933 .27122983 63108+0 72698-3 0 98431
2 21867 97.6036 91.8208 0007780 279.1090 80.8030 16.45220391539194
JERS 1 3.1 0.9 1.8 6.8 d 10 145 x 137 km
1 21867U 92007A 01337.45892596 .48534179 25030+1 62193-3 0 98436
2 21867 97.6022 91.8947 0006015 278.8541 81.0778 16.49526336539202
Note: This decay has slipped significantly and surprisingly. Like
SpaceCom, I show the decay almost back to the time we were predicting
on November 30. In my case, I have the decay northbound over the
central Pacific. SpaceCom has it almost an orbit later.
_____________________________________________________________________
Alan
--
Alan Pickup / COSPAR 2707: 55.8968N 3.1989W +208m (WGS84 datum)
Edinburgh / SatEvo & elsets: http://www.wingar.demon.co.uk/satevo/
Scotland / Decay Watch: http://www.wingar.demon.co.uk/satevo/dkwatch/
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This archive was generated by hypermail 2b29 : Mon Dec 03 2001 - 03:04:56 EST