Decay watch: Mar 19 (MPL Delta)

Alan Pickup (alan@wingar.demon.co.uk)
Fri, 19 Mar 1999 19:48:04 +0000

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Object: #25607 = 99-  1 C = Mars Polar Lander Delta 2 r1

Decay prediction:
Source   Prediction made    Predicted decay at      Latitude Longitude
               UTC                UTC                  deg      deg

SpaceCom   Mar 14 14:32     Mar 23 03:32 +-5d        12.3 N    67.2 W
SpaceCom   Mar 16 01:23     Mar 23 01:19 +-4d        11.5 S   149.0 E
SpaceCom   Mar 19 06:49     Mar 23 06:32 +-2d         9.1 N   105.9 W

SatEvo     Mar 15 21:20     Mar 23 01:00 +-2d
SatEvo     Mar 16 20:45     Mar 22 21:17 +-1.5d
SatEvo     Mar 19 19:30     Mar 23 03:23 +-18h       17.7 N    79.9 W

Latest elset:
MPL Delta 2 r1   5.9  2.4  0.0  5.0 d            317 x 186 km
1 25607U 99001C   99078.61143574  .02350455 -10888-4  12307-2 0  1455
2 25607  25.8302  40.0398 0098462  67.9852 293.1385 16.08338578 11644

SatEvo predicted elsets:
MPL Delta 2 r1   5.9  2.4  0.0  5.0 d            307 x 184 km
1 25607U 99001C   99079.04536020  .02570705  20957-2  11962-2 0 91457
2 25607  25.8298  36.6327 0093510  73.7592 287.2676 16.10504099 11717
MPL Delta 2 r1   5.9  2.4  0.0  5.0 d            296 x 180 km
1 25607U 99001C   99079.54054305  .02934773  28587-2  11753-2 0 91457
2 25607  25.8294  32.7312 0087338  80.3713 280.6143 16.13221034 11796
MPL Delta 2 r1   5.9  2.4  0.0  5.0 d            283 x 176 km
1 25607U 99001C   99080.03482467  .03451730  42541-2  11501-2 0 91452
2 25607  25.8289  28.8203 0080387  86.9992 273.9203 16.16361042 11871
...
MPL Delta 2 r1   5.9  2.4  0.0  5.0 d            126 x 111 km
1 25607U 99001C   99082.11824682 1.05228590  12648+2  32959-3 0 91456
2 25607  25.8224  12.0176 0011431 115.4764 244.6417 16.58063974 12213
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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/