1998-056B
Nordiska Sat. HS-376 high power. NSAB is joint venture of SSC, Tele Danmark and Teracom AB. Will replace Sirius 1. 15 Ku-band tsp. To be built at Hughes/El Segundo. Launch Oct 98 to 5E, colocate with Sirius 1. Lease to SES-Astra at 28E for one year. Then move to 5E for NSAB service.
Launch mass 1420 kg, 815 kg BOL, 630 kg dry. Size 2.16d 3.32m high, 7.76m deployed
Prelaunch plan was for apogee burn at T+58:30 or on Oct 8 at around 0920. At 0851 on Oct 8 according to TLEs, the satellite crossed the equator at 24E and 35869 km altitude. Working back from the Oct 13 TLEs the satellite would have been at 10.7E at that time, but the Oct 17 TLEs match very well for a burn at 0850 UTC. I hypothesize that the Oct 13 TLEs are spurious.
| Sirius 3 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1998 Oct 5 | 2251 | Launch by Ariane 44L | CSG ELA2 |
| 2256 | Stage 3 burn | ||
| 2309 | Stage 3 MECO | ||
| 2311? | Stage 3 sep | ||
| 1998 Oct 5 | 634.72 286 x 35888 x 7.0 | ||
| 1998 Oct 8 | 0850? | Star 30 burn? | |
| 1998 Oct 13 | 629.20 220 x 35669 x 7.0 | ||
| 1998 Oct 13 | 1425.97 35254 x 35922 x 0.3 | ||
| 1998 Oct 15 | 0800? | Star 30 burn? | |
| 1998 Oct 17 | 1436.13 35777 x 35797 x 0.1 GEO 24.1E | ||
| 1998 Oct 25 | 1536.06 35757 x 35814 x 0.1 GEO 24.1E | ||
| 1998 Dec 28 | 1436.03 35775 x 35795 x 0.0 GEO 23.6E | ||
| 1998 Dec | Move to 28E | ||
| 1998 Dec 30 | 1436.09 35784 x 35788 x 0.0 GEO 27.8E | ||
| 1999 Nov 8 | 1436.06 35782 x 35789 x 0.0 GEO 27.8E | ||
| 1999 Dec 8 | Move out | GEO 28E | |
| 1999 Dec 15 | Mv in | 5.0E | |
| 2000 Jun 11 | 1436.08 35777 x 35795 x 0.1 GEO 5.0E | ||
| 2006 Aug 1 | 1436.05 35777 x 35793 x 0.1 GEO 5.0E | ||
| 2011 Jan 16 | 1436.09 35779x 35793 x 1.9 GEO 4.9E | ||
| 2011 Jan 20 | Mv out | ||
| 2012 Feb 13 | 1430.18 35664 x 35677 x 1.9 dr 1.5E/d | ||
| 2012 Feb 23 | Move in at 51.2E | ||
| 2012 Jul 1 | 1436.07 35782 x 35789 x 3.1 GEO 51.2E | ||
| 2015 Nov 6 | 1436.02 35779 x 35790 x 5.5 GEO 51.1E | ||
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