More Chandra planned burns
Jonathan McDowell (jcm@head-cfa.harvard.edu)
Wed, 28 Jul 1999 03:14:42 -0400 (EDT)
Here's an update for the plan for raising Chandra's orbit.
The following data is from a memo prepared after IPS-1 but
before IPS-2. Times of remaining burns and their orbits:
IPS-2 206/01:17:00 for 11:13 3448 x 72069 x 28.5 (completed)
IPS-3 212/22:36:56 for 21:20 3490 x 140222 x 28.5
IPS-4 214/04:56:09 for 11:19 9018 x 139968 x 28.5
IPS-5 216/20:32:31 for 01:47 10047 x 140000 x 28.5
Post IPS 3:
1999 Jul 31 2252:40 GMT
Units unknown: probably ft, fps
X Y Z -27601746.5 9327159.0 -15146946.3
VX VY VZ -13306.9661 -24936.9083 1863.7467
A = 256674792.0ft = 78234.476 km
E = 0.873862 I = 28.4558 Mean = 0.4656 Node = 234.9211 AOP = 270.4222
Post IPS 4:
1999 Aug 2 0501:52 X Y Z 347822553.1 -239192598.6 228775074.8
VX VY VZ 1335.3 1948.9 -16.7041
A = 265325343 ft = 80871.164 km
E = 0.809622 I = 28.4372 Mean = 180.3672 Node = 234.8355 AOP = 270.5046
Post IPS 5:
1999 Aug 4 2028:42 XYZ 347065130.9 -240467264.1 228809668.7
V 1399.3385 1989.1351 -5.900
A = 267067558 ft = 81402.191 km
E = 0.798211 I = 28.45 mean = 179.6013 node = 234.6175 AOP = 270.6598
- Jonathan McDowell
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