1983-072A
Navstar 8 was launched by Atlas E from Vandenberg on 1983 Jul 14. Twin Star 48 solid motors made up the SGS II (Space Guidance System) upper stage which placed SVN 8 in transfer orbit; the usual Star 27 motor circularized the orbit. Navstar 8 replaced Navstar 1; in 1990 it was moved from C-2 to C-3; it was replaced in 1993 by Navstar 31.
| Navstar 8 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1983 Jul 14 | 1021 | Launch by Atlas E/SGS II | V SLC3 |
| T+2:04 BECO | |||
| T+2:24 Fairing sep | |||
| T+5:21 SECO | |||
| 1026 | X-0:06 VECO | ||
| 1027 | X+0:00 Atlas sep | -4850 x 545 x 63.0 | |
| 1027 | X+0:20 Stage 1 burn | ||
| 1028 | X+1:44 Stage 1sep | 63.18 -2800 x 551 x 63.0 | |
| 1029 | X+1:56 Stage 2 burn | ||
| 1030 | X+2:35 Stage 2 burnout | ||
| 1034 | X+6:56 Stage 2 sep | 371.2 549 x 20915 x 63.0 | |
| 1983 Jul 15 | 2050? | Star 27 burn | |
| 1983 Jul 15 | 725.8 19954 x 20800 x 62.8 | ||
| 1983 Jul 22 | 717.8 19924 x 20438 x 62.8 | ||
| 1983 Aug 10 | Operational, replaced SVN 1 | ||
| 1988 | Operating on Cs clock, C-2 | ||
| 1990 Mar 15 | Rephasing | ||
| 1990 Oct | New position C-3 | ||
| 1993 May 4 | end of ops | ||
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