Decaying Cosmos 1172

Bjoern Gimle (bjorn@tt-tech.se)
Thu, 18 Dec 1997 11:21:35 +0100

This should be an interesting object until decay. OIG has just posted
new elsets, after a gap of 13 days ! Watch for new ones at OIG and
Alan Pickup's http://www.wingar.demon.co.uk/satevo/tle/dklist.tle

The whole orbit is sunlit, but the perigee is now at 54S in the afternoon,
climbing to 300 km at 62S at apex around 20:35 local time, reaching 1500 km
at 40S around local midnight, the ascending node at 5000 km at 02:00 LT (VIT),
and about 8000 km from Florida latitudes around 03:00 LT.

Until about 07:00, it can be seen from more northern latitudes, while
close to apogee and N.apex around 11000 km up.

Expect a prediction uncertainty about (age of elset in days)squared * 5 min.

Cosmos 1172                                      11178 x 77 km
1 11758U 80028A   97351.72745456  .03206732  26473-5  10000-3 0  1700
2 11758  61.8240 118.7734 4623128 247.1034  58.5894  6.60038436129718

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