Re: SBIRS GEO Flight 4 prelaunch elements

From: C. Bassa via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 20 Jan 2018 01:21:10 +0100
Below are pre-launch estimates for today's launch window of SBIRS GEO
Flight 4. The window opens at 2018-01-20T00:48:00 and closes at
01:28:00.

The orbital estimates for the upper stage are now computed assuming
that the orbital plane stays the same (no normal component in the
burn).

SBIRS GEO F4 for 00:48UTC launch
1 72001U          18020.05368750  .00000000  00000-0  00000-0 0    08
2 72001  16.8800 325.0000 7309693 178.0000   2.0000  2.27834097    02
SBIRS GEO F4 r for 00:48UTC launch
1 70002U          18020.08503703  .00000000  00000-0  00000-0 0    09
2 70002  16.8849 324.9942 7269260 172.8503  32.4499  2.64280670    04

SBIRS GEO F4 for 01:28UTC launch
1 72001U          18020.08146528  .00000000  00000-0  00000-0 0    08
2 72001  16.8800 325.0000 7309693 178.0000   2.0000  2.27834097    02
SBIRS GEO F4 r for 01:28UTC launch
1 70002U          18020.11281481  .00000000  00000-0  00000-0 0    09
2 70002  16.8848 324.9927 7181310 173.8826  32.8096  2.64738126    05

Regards,
   Cees
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Received on Fri Jan 19 2018 - 18:21:54 UTC

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