1997-086A
Asia Satellite Telecommunications' HS-601HP Asiasat 3, was to provide Asia-wide C-band coverage and 3 high power Ku band beams. Total power is 9.9 kW. Launched by Proton in Dec 1997, it was stranded in transfer orbit when the second DM3 burn failed, shutting down after only 1s of the 110s burn. Mass was 3480 kg launch, 2560 kg BOL, 1822? kg dry. Size 4m high, 3.1m wide, 26.2m span.
Asiasat 3 was to have replaced Asiasat 1 at 105.5E, with the latter satellite moving to 122E.
In mid 1998 a remarkable rescue strategy evolved: a lunar gravity assist. Asiasat 3 became the property of Hughes Global Services (HGS) in Apr 1998 and was informally renamed HGS-1. The apogee was raised in stages until a TLI burn in May placed it on a free-return lunar flyby trajectory.
In Apr 1999 HGS-1 was purchased by PanAmSat and renamed PAS 22.
| Asiasat 3 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1997 Dec 24 | 2319 | Launch by Proton 394-01/DM3-6L | KB |
| 2321 | Stage 1 sep T+2:07 | ||
| 2324 | Stage 2 sep T+5:35 | ||
| 2324 | Fairing sep T+5:44 | ||
| 2324 | 8S812 burn T+5:40 | ||
| 8S812 shutdown T+9:38 | |||
| 2328 | 8S812 sep T+9:49 | 180 x 210? x 51.6 | |
| 2329 | T+10:44 PB (perekhodnikiy blok) sep | ||
| 1997 Dec 25 | 0036 | DM3 burn 1 | |
| 1997 Dec 25 | 0036 | Eq crossing at 10W | |
| 0037 | DM3 MECO-1 | ||
| 1997 Dec 25 | 0537 | DM-3 burn 2 T+6:18 | |
| 0537 | DM-3 burn 2 failed after 1s | ||
| 10 DM3 debris objects tracked | |||
| 0540? | DM3 sep | ||
| 1997 Dec 27 | 638.25 365 x 35989 x 51.05 | ||
| 1998 Jan 5 | 638.31 375 x 35982 x 51.1 | ||
| 1998 Feb 8 | 638.29 393 x 35963 x 51.1 | ||
| 1998 Apr 1? | Renamed HGS-1 | ||
| 1998 Apr 7 | 638.33 412 x 35947 x 51.24 | ||
| 1998 Apr 9 | LAM-1 burn | 638.59 417 x 35955 x 51.2 | |
| 1998 Apr 13 | LAM burn | 638.51 392 x 35977 x 51.3 | |
| 1998 Apr 14 | LAM burn | 1244.05 402 x 63475 x 51.3 | |
| 1998 Apr 15 | LAM burn | 1512.05 397 x 74124 x 51.3 | |
| 1998 Apr 16 | LAM burn | 1882.60 399 x 87854 x 51.35 | |
| 1998 Apr 18 | 0726 | LAM-7? | 2479.12 425 x 108172 x 51.2 |
| 1998 Apr 21 | 1423 | LAM-8? | 2492.67 447 x 108592 x 51.2 |
| 1998 Apr 23 | 1214 | LAM-9? | 3800.17 432 x 148144 x 51.21 |
| 1998 Apr 26 | LAM-10? | 6078.06 365 x 207527 x 51.5 | |
| 1998 Apr 30 | LAM-11? | 240 x 319786 x 52.1 | |
| 1998 May 8 | 0042 | LAM-12 TLI 2min | 344 x 413596 x 52.2 |
| 1998 May 13 | 1852 | LOS | |
| 1920 | AOS | ||
| 1955 | Lunar flyby 1, 6250 km | ||
| 42061 x 475000? x 18 | |||
| 1998 May 17 | 0300s | Perigee 42061 km? | |
| 1998 May 17 | 0308 | Burn | 35646 x 475763 x 18.2 |
| 1998 May 25 | 0300 | Apogee | 488000 km |
| 1998 Jun 2 | 37451 x 474241 x 18.3 | ||
| 1998 Jun 2 | 0240 | Perigee, Trim burn 30min | |
| 1998 Jun 6 | 1630s | Lunar flyby 2 , 34300 km | |
| 1998 Jun 11 | Trim burn | ||
| 1998 Jun 14 | 1615 | Perigee, Trim burn 46min | |
| 1750 | Trim burn 2min | 2777.10 35883 x 82253 x 8.9 | |
| 1998 Jun 16 | 1429 | GEO insertion | 1679.89 35869 x 44996 x 8.8 |
| 1998 Jun 17 | 1829 | GEO insertion 12min | |
| 1998 Jun 18 | 1433.92 35622 x 35865 x 8.7 GEO 152.5W+0.5E | ||
| 1998 Jun 19 | 35681 x 35963 x 8.7 GEO 152W+0.5/d | ||
| 1998 Aug 10 | 1436.05 35676 x 35895 x 8.6 GEO 153.6W | ||
| 1998 Sep 28 | mv out | 1435.60 35652 x 35900 x 8.5 GEO 150.5W+0.1E | |
| 1998 Nov 16 | 1436.50 35649 x 35939 x 8.4 GEO 153.9W | ||
| 1999 Apr | GEO dr | ||
| 1999 Apr | To Panamsat as PAS 22 | ||
| 1999 May 25 | 1436.00 35601 x 35968 x 8.0 GEO 60.4W | ||
| 1999 Oct 15 | 1436.12 35587 x 35986 x 7.8 GEO 59.5W | ||
| 2002 Jul 1 | 60W mv out | ||
No comments:
Post a Comment