Decay watch: May 26
Alan Pickup (alan@wingar.demon.co.uk)
Wed, 26 May 1999 19:30:20 +0100
Although SpaceCom has issued a second decay notice for the new Titan 4
rocket, no further elsets have appeared - I wonder if the security
clamps have come down again.
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Object: #25745 = 99- 28 B = USA 144 Titan 4 r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom May 24 21:58 Jun 2 11:36 +-5d 63.4 S 94.0 W
SpaceCom May 26 06:28 Jun 1 14:00 +-4d 47.1 N 3.3 W
SatEvo May 25 12:00 Jun 3 +-3d
Latest elset (new ones are long overdue):
USA 144 Titan 4 r 293 x 200 km
1 25745U 99028B 99144.99058024 .00785832 79431-5 55546-3 0 42
2 25745 63.3898 93.1775 0070162 170.4206 189.8324 16.10130841 112
Note: If we are "on our own" with this decayer, observations would be
welcome. Note that the latest decay notice places decay over W Europe,
albeit during daylight.
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Object: #25683 = 99- 20 B = Landsat 7 Delta r
Decay predictions:
Source Prediction made Predicted decay at Latitude Longitude
UTC UTC deg deg
SpaceCom (no prediction yet)
SatEvo May 25 19:30 June 1 00:00 +-1.2d
SatEvo May 26 18:00 May 31 10:00 +-1d
Latest elset:
Lndst7 Delta r 5.9 2.4 0.0 5.0 d 360 x 154 km
1 25683U 99020B 99146.49262810 .02090539 90170-5 37791-3 0 1201
2 25683 107.5672 268.0559 0155210 244.6637 113.8402 16.06321859 6371
SatEvo prediction:
Lndst7 Delta r 5.9 2.4 0.0 5.0 d 347 x 153 km
1 25683U 99020B 99147.05270780 .02315120 10884-2 36723-3 0 91209
2 25683 107.5663 269.5253 0146721 243.3381 115.1519 16.08829349 6460
Lndst7 Delta r 5.9 2.4 0.0 5.0 d 323 x 150 km
1 25683U 99020B 99148.04616887 .02716329 16757-2 33042-3 0 91203
2 25683 107.5645 272.1453 0130063 240.9741 117.7165 16.13799200 6628
Note: Apologies for calling this 99- 19 E in yesterday's header for
this.
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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/