Decay watch: Nov 12 @ 15:15 UTC
Alan Pickup (alan@wingar.demon.co.uk)
Fri, 12 Nov 1999 15:22:04 +0000
I have updated my Decay Watch page at
http://www.wingar.demon.co.uk/satevo/dkwatch/
with more details of the (now) two current decayers:
#24291, Microsat, will decay at Nov 12 18:45 UTC +-2h according to my
current estimate. The latest elset...
MicroSat 1.0 0.0 0.0 8.3 d 0.37 180 x 148 km
1 24291U 96050A 99316.43340756 .08700477 91082-5 36724-3 0 9777
2 24291 62.7425 281.8741 0024277 304.0609 201.2962 16.40583712176914
has it running only 3 seconds late against my SatEvo prediction of
yesterday. I now show decay while heading NE-wards over the Atlantic, to
the SW of Ireland. If it survives, it crosses the UK from N Ireland
(18:49 UTC) to Edinburgh (18:50) and onwards to Oslo, Norway, (18:52)
and N of Stockholm, Sweden, at 18:53. It is unlikely to survive much
beyond the next northbound crossing of the equator near 71.2 deg W at
19:59, just beyond SpaceCom's decay point (Nov 12 20:02 +-6h at 9.2 S
75.6 W), but if it does there is another eastbound pass over N Europe
from Trondheim, Norway, at 20:20. My predicted elset for the start of
the final rev...
MicroSat 1.0 0.0 0.0 8.3 d 0.37 115 x 107 km
1 24291U 96050A 99316.77320022 3.02242249 50000+2 75984-3 0 99774
2 24291 62.7373 280.4432 0006103 304.1373 55.8048 16.61011829176977
----------------------------------
SpaceCom has issued the first decay warning for #4222 = 69- 97 B = AZUR
Scout rocket. I predict decay for Nov 15 08:09 UTC +-18h. This enters
eclipse while northbound near 46 deg N latitude at ~05:30 local time.
Eclipse exit occurs while southbound near 12 deg S at ~18:30 local time.
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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