1981-096A
The second Satellite Business Systems spacecraft, SBS 2, was launched by Delta in Sep 1981 and stationed at 97W, three degrees from SBS 1. After being owned by MCI from 1985 to 1987, it was bought by Comsat. In 1983 it moved to 104W temporarily (from Jan to Mar). In 1988 the satellite moved to 99W, and back to 97W in late 1990. In Jan 1994 SBS 2 started a slow drift to 71W, arriving in October.
| SBS 2 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1981 Sep 24 | 2309 | Launch by Delta 3910-Pam D | CC LC17 |
| SRM 1-5 burn | |||
| T+0:57 SRM 1-5 off | |||
| T+1:04 SRM 1-5 sep | |||
| T+1:04 SRM 6-9 on | |||
| T+2:00 SRM 6-9 off | |||
| T+2:07 SRM 6-9 sep | |||
| T+3:43 St 1 MECO | |||
| T+3:51 St 1 sep | |||
| 2312 | T+3:57 SES-1 5:06 | ||
| 2313 | Fairing sep | ||
| 2318 | T+9:03 SECO-1 suborbital | -781? x 282? x 28.5 | |
| 2329 | T+20:14 St 2 sep | ||
| 2329 | T+20:52 TES 86s | ||
| 1981 Sep 24 | 2331 | T+22:18 TECO PAM-D burnout | |
| 1981 Sep 24 | 2333 | T+24:26 PAM-D separation | 650.62 165 x 36822 x 27.7 |
| 1981 Sep 25 | 0500? | Apo 1 87E | |
| 1600? | Apo 2 77W | ||
| 1981 Sep 26 | 0200? | Apo 3 127E | |
| 1300? | Apo 4 37W | ||
| 2300? | Apo 5 167E | ||
| 1981 Sep 26 | 2257 | AKM | 1401.62 34287 x 35930 x 0.3 GEO 171.5E+8.8E |
| 1981 Sep 28 | 1420 | Despin | |
| 1981 Sep 28 | 2135 | Solar panel deploy | |
| 1981 Sep 29 | Transfer from COMSAT to SBS | ||
| 1981 Sep 30 | 1424.56 35495 x 35623 x 0.3 GEO 176.4W+2.9E | ||
| 1981 Oct 26 | 1424.37 35491 x 35621 x 0.2 GEO 100.2W+3.0E | ||
| 1981 Nov | mv in | ||
| 1981 Nov 5 | 1436.12 35773 x 35801 x 0.2 GEO 96.7W | ||
| 1982 Jan 2 | 1436.04 35773 x 35797 x 0.1 GEO 96.9W | ||
| 1983 Jan 21 | 1436.12 35786 x 35787 x 0.0 GEO 97.0W | ||
| 1983 Jan | Move to 104W | ||
| 1983 Jan 27 | 1436.16 35770 x 35805 x 0.1 GEO 104.5W | ||
| 1983 Mar 2 | 1436.10 35780 x 35793 x 0.0 GEO 104.5W | ||
| 1983 Mar | move to 97W | ||
| 1983 Mar 11 | 1436.10 35784 x 35788 x 0.0 GEO 97.0W | ||
| 1984 Nov 15 | 1436.12 35783 x 35790 x 0.1 GEO 97.0W | ||
| 1987 Jan 3 | 1436.12 35785 x 35788 x 0.0 GEO 97.1W | ||
| 1988 Aug 6 | mv out | 1436.15 35776 x 35799 x 0.5 GEO 97.2W+0.02W | |
| 1988 Oct 11 | 1436.23 35777 x 35800 x 0.6 GEO 98.8W+0.04W | ||
| 1988 Oct 28 | mv in | 1436.15 35775 x 35800 x 0.7 GEO 99.3W | |
| 1989 Jul 2 | 1436.09 35780 x 35792 x 1.4 GEO 99.1W | ||
| 1990 Sep 24 | 1436.07 35774 x 35798 x 2.4 GEO 99.1W | ||
| 1990 Nov 26 | 1436.00 35772 x 35796 x 2.6 GEO 98.5W | ||
| 1990 Nov | move to 97W | ||
| 1991 Jan 23 | 1436.05 35773 x 35797 x 2.7 GEO 97.1W | ||
| 1991 Apr 28 | 1436.11 35774 x 35799 x 3.0 GEO 97.0W | ||
| 1993 Jun 7 | 1436.12 35771 x 35802 x 4.8 GEO 97.0W | ||
| 1994 Jan 25 | 1436.10 35735 x 35838 x 5.3 GEO 97.0W | ||
| 1994 Jan 27 | mv out | 1435.09 35752 x 35781 x 5.3 GEO 96.5+0.2E | |
| 1994 Jun 9 | mv in | 1435.67 35767 x 35789 x 5.6 GEO 73.7W+0.1E | |
| 1994 Jul 16 | 1435.85 35772 x 35791 x 5.6 GEO 70.6W | ||
| 1994 Oct 22 | 1436.36 35778 x 35804 x 5.8 GEO 71.1W+0.07W | ||
| 1994 Oct 24 | mv in | 1436.08 35722 x 35850 x 5.9 GEO 70.8W | |
| 1994 Oct 30 | 1436.08 35719 x 35853 x 5.9 GEO 70.8W | ||
| 1995 Nov 7 | 1436.07 35780 x 35792 x 6.6 GEO 70.9W | ||
| 1996 May 7 | 1436.16 35782 x 35793 x 6.9 GEO 71.0W | ||
| 1996 Aug 28 | 1436.15 35781 x 35794 x 7.1 GEO 71.0W | ||
| 1996 Sep 7 | mv out | 1438.11 35811 x 35840 x 7.1 GEO 72.3W+0.5W | |
| 1997 Apr 5 | 1437.72 35801 x 35835 x 7.5 | ||
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