Decay watch: Nov 4

Alan Pickup (alan@wingar.demon.co.uk)
Thu, 4 Nov 1999 17:00:33 +0000

I have posted the final notices for the decay of #24972, IRS-1D PSLV 1C
rocket, to my Decay Watch page at
      http://www.wingar.demon.co.uk/satevo/dkwatch/

The decay occurred one orbit earlier than my expectation yesterday. I
put re-entry at Nov 4 09:30 UTC +-20m near a southbound crossing of the
equator over Melanesia at 150.5deg E, to the NE of New Guinea. Both
SpaceCom and Harro put the decay a little earlier and further north,
over Micronesia. If it had continued in orbit, it would have crossed
eastern Australia from Townsville, Queensland, at 09:35 UTC to pass
between Adelaide and Melbourne at 09:39. My predicted elset for the
start of the final rev:

IRS-1D r         3.0  1.0  0.0  7.4 d 10.8       127 x 110 km
1 24972U 97057B   99308.36578004  .82411756  99744+1  31437-3 0 97045
2 24972  98.6003 156.1599 0012834 267.4313  92.4218 16.57863136117148

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/

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