Decay watch: Telstar 401 Centaur r

Alan Pickup (alan@wingar.demon.co.uk)
Sun, 13 Dec 1998 22:53:53 +0000

OIG has published a decay notice for the Telstar 401 Centaur rocket,
predicting its decay on December 17 at 10:53 UTC +-2 days. Though this
is the date I forecast in the SatEvo decay list I issued on December 1,
more recent SatEvo analyses have been suggesting a slightly later decay,
currently for December 18.3 +-0.9 day.

The latest elset is:

Telstar 401 Centaur r                            1994 x 119 km
1 22928U 93077B   98347.71780377  .14868770 -83022-5  85439-3 0  3448
2 22928  23.5357  23.9470 1261138 338.4149  16.7208 13.54399629 65948

Eclipse entry occurs near perigee while northbound at 6 deg S in the
evening; it leaves eclipse while southbound near 21 deg N latitude at
~04h local time.

Predicted elsets:
Telstar 401 Centaur r                            1926 x 118 km
1 22928U 93077B   98348.01166938  .16129332  75127-2  88150-3 0 93444
2 22928  23.5337  22.3131 1221218 341.2688  14.6010 13.63839048 65984
Telstar 401 Centaur r                            1804 x 118 km
1 22928U 93077B   98348.52101104  .17400529  92310-2  91281-3 0 93447
2 22928  23.5301  19.4250 1148179 346.3135  10.8166 13.80895019 66059
Telstar 401 Centaur r                            1676 x 118 km
1 22928U 93077B   98349.02386074  .18962606  11631-1  95039-3 0 93445
2 22928  23.5263  16.4977 1070338 351.4270   6.8805 13.99149800 66120
Telstar 401 Centaur r                            1540 x 118 km
1 22928U 93077B   98349.51990409  .20883004  12647-1  99378-3 0 93447
2 22928  23.5223  13.5274 0986521 356.6158   2.7631 14.18895440 66194

Alan
-- 
 Alan Pickup | COSPAR 2707:   55d53m48.7s N   3d11m51.2s W   156m asl
 Edinburgh   | Home:   alan@wingar.demon.co.uk    +44 (0)131 477 9144
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