Decay watch: February 4
Alan Pickup (alan@wingar.demon.co.uk)
Thu, 4 Feb 1999 20:36:32 +0000
The latest SpaceCom decay notices are:
Object Notice issued Predicted decay
UTC UTC
#23529 = Intelsat 705 Centaur r Feb 4 09:19 Feb 6 09:47 +-1d
#22584 = GPS 2-19 r2 Feb 4 06:09 Feb 11 05:45 +-4d
-------------------------------
The current elset for #23529...
Intelsat 705 Centaur r 944 x 117 km
1 23529U 95013B 99035.73739869 .18556815 00000-0 62435-3 0 473
2 23529 26.5728 189.0325 0598066 276.0760 77.2146 15.11918637 62594
... shows it running 5 seconds late on the prediction I posted here
yesterday.
A new analysis, again using my new version of SatEvo, leads to decay at
February 6.60 (14:18 UTC +-9h).
New prediction:
Intelsat 705 Centaur r 881 x 120 km
1 23529U 95013B 99036.00064771 .19862844 22622-1 72362-3 0 90474
2 23529 26.5709 187.2327 0553594 279.0942 74.6858 15.21839477 62638
Intelsat 705 Centaur r 747 x 118 km
1 23529U 95013B 99036.52164135 .24568770 40806-1 73715-3 0 90470
2 23529 26.5665 183.5865 0461553 285.2086 69.7352 15.44745317 62713
Intelsat 705 Centaur r 578 x 115 km
1 23529U 95013B 99037.03404359 .34619794 10688+0 77918-3 0 90478
2 23529 26.5611 179.8650 0344021 291.4499 64.9158 15.74249360 62790
-------------------------------
The latest published elset for #22584, which SpaceCom calls "NAVSTAR 31
R/B(PAM-D)", is:
GPS 2-19 r2 3.0 1.5 0.0 6.5 d 965 x 113 km
1 22584U 93017D 99035.70232466 .04417333 00000-0 11930-3 0 1812
2 22584 34.4778 160.1555 0616336 13.0277 348.6079 15.09147566135688
My prediction is for its decay at February 11.8 +-1.5 day.
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
Scotland | SatEvo page: http://www.wingar.demon.co.uk/satevo/