Decay watch: Jun 3
Alan Pickup (alan@wingar.demon.co.uk)
Thu, 3 Jun 1999 20:38:19 +0100
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Object: #20055 = 89- 43 D = Molniya 3-35 r2
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom May 30 09:12 Jun 5 07:36 +-4d 14.4 S 136.3 E
SpaceCom May 31 00:19 Jun 3 17:01 +-2d 21.3 S 161.6 E
SpaceCom Jun 1 00:04 Jun 3 17:21 +-2d 4.4 S 165.5 E
SpaceCom Jun 1 23:58 Jun 4 00:28 +-1d 55.3 S 13.5 E
SpaceCom Jun 2 23:51 Jun 3 22:22 +-14h 59.8 S 29.3 W
SpaceCom Jun 3 09:29 Jun 3 21:53 +-8h 25.2 N 94.6 W
SpaceCom Jun 3 10:39 Jun 3 21:16 +-2h 9.4 S 104.0 E
SpaceCom Jun 3 16:08 Jun 3 22:17 +-1h 49.6 S 51.2 W
SatEvo May 30 13:30 Jun 3 15:00 +-2d
SatEvo May 31 18:55 Jun 4 01:00 +-2d
SatEvo Jun 1 19:10 Jun 4 00:24 +-18h
SatEvo Jun 2 19:00 Jun 4 00:00 +-9h
SatEvo Jun 3 18:20 Jun 3 22:22 +-1h 59.3 S 32.2 W
Latest elset (4.8 min early on yesterday's prediction, but with
much-too-high perigee):
Molniya 3-35 r2 1125 x 142 km
1 20055U 89043D 99154.69072303 .99999999 00000-0 52318-1 0 9198
2 20055 63.4895 319.4729 0700877 253.3291 99.0086 14.78706728 56911
SatEvo prediction (perigee adjusted):
Molniya 3-35 r2 957 x 85 km
1 20055U 89043D 99154.75754637 2.23957183 23809+1 17929-2 0 99191
2 20055 63.4812 319.2498 0632044 253.3282 99.6424 15.15105213 56928
Molniya 3-35 r2 760 x 83 km
1 20055U 89043D 99154.82313662 2.92510705 52761+1 18965-2 0 99199
2 20055 63.4675 319.0211 0497355 253.3275 101.1557 15.48423827 56939
Molniya 3-35 r2 493 x 81 km
1 20055U 89043D 99154.88720376 4.90529761 20608+2 21837-2 0 99199
2 20055 63.4540 318.7848 0308807 253.3271 103.2608 15.95534239 56944
Note: I predict decay near perigee over the S Atlantic on the final
orbit above.
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Object: #25728 = 99- 24 B = Orion 3 Delta 3 r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom Jun 1 22:01 Jun 5 22:06 +-3d 7.2 S 173.4 E
SpaceCom Jun 2 17:20 Jun 5 16:10 +-2d 17.2 S 75.2 E
SpaceCom Jun 3 17:42 Jun 5 17:43 +-10h 21.2 S 89.0 W
SatEvo Jun 1 19:30 Jun 6 05:00 +-1.5d
SatEvo Jun 2 19:15 Jun 5 23:00 +-1d
SatEvo Jun 3 19:30 Jun 5 23:13 +-12h
Latest elset (2 sec early on yesterday's prediction, but drag much
too low):
Ori 3 Delta 3 r 526 x 143 km
1 25728U 99024B 99154.51518191 .00470054 00000-0 52922-4 0 879
2 25728 29.4556 222.6942 0285744 101.7412 261.6065 15.78596155 4394
SatEvo prediction:
Ori 3 Delta 3 r 486 x 141 km
1 25728U 99024B 99155.01961383 .07799030 73821-2 70224-3 0 90871
2 25728 29.4542 219.0067 0257957 107.6510 255.1821 15.86167438 4470
Ori 3 Delta 3 r 440 x 139 km
1 25728U 99024B 99155.52155116 .09185773 11506-1 66495-3 0 90877
2 25728 29.4525 215.2956 0226268 113.5986 248.7932 15.94641165 4553
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Alan
--
Alan Pickup | COSPAR 2707: 55d53m48.7s N 3d11m51.2s W 156m asl
Edinburgh | Tel: +44 (0)131 477 9144 Fax: +44 (0)870 0520750
Scotland | SatEvo page: http://www.wingar.demon.co.uk/satevo/