1993-027A
The second German Spacelab mission, Spacelab D-2, flew on STS-55. DLR and ESA microgravity experiments were carried. The standard 5-tank PSRD set was carried, with no EDO pallet.
The first launch attempt, on 1993 Mar 22, ended in an RSLS abort at T-3 seconds, when SSME 2011 failed. The next attempt, on 1993 Apr 26, was successful. The Shuttle slowly gained altitude because of the MOMS pointings, and an RCS trim burn was carried out on Apr 29 to cancel the gain.
| STS-55 mission events | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1993 Feb 7 | Rollout | LC39A | |
| 1993 Mar 22 | 1450:53 | SSME start | |
| 1450:57 | RSLS abort, T-3 | ||
| 1993 Apr 26 | 1449:54 | SSME start | |
| 1993 Apr 26 | 1450:00 | Launch | LC39A |
| 1452:05 | SRB sep | ||
| 1458:31 | MECO | 88.22 69 x 303 x 28.5 | |
| 1458:49 | ET sep | ||
| 1529:55 | OMS 2 2:20, 68m/s | 90.55 299 x 303 x 28.47 | |
| 1532:14 | OMS 2 CO | ||
| 1619 | PLBD open | ||
| 1859 | Spacelab activate | ||
| 1993 Apr 27 | 0200? | RCS lower apogee | 90.53 297 x 303 x 28.47 |
| 1993 Apr 29 | 0716 | 90.52 294 x 305 x 28.47 | |
| 1993 Apr 29 | 1224 | RCS lower perigee 2 km | 90.48 291 x 305 x 28.46 |
| 1993 May 2 | 0559 | 90.46 288 x 305 x 28.46 | |
| 1993 May 5 | 2229 | 90.43 285 x 306 x 28.46 | |
| 1993 May 6 | 0625 | Spacelab deactivate | |
| 0924 | PLBD close | ||
| 1329:20 | OMS DO (2:53) 88m/s | 18 x 291 x 28.5 | |
| 1332:13 | OMS DO CO | ||
| 1358:35 | Entry interface 122 km | ||
| 1430:00 | Landing | RW22 EAFB | |
| 1430:15 | Drag chute out | ||
| 1430:17 | NGTD | ||
| 1430:41 | Drag chute sep | ||
| 1431:02 | Wheels stop | ||
| 1993 May 11 | 1730 | SCA takeoff | Edwards |
| 2115 | SCA landing | Biggs AAF, El Paso | |
| 1993 May 12 | 1430 | SCA takeoff | Biggs AAF |
| 1545 | SCA landing | Kelly AFB TX | |
| 1993 May 14 | 1310 | SCA takeoff | Kelly AFB TX |
| 1500 | SCA landing | Columbus AFB MS | |
| 1620 | SCA takeoff | Columbus AFB MS | |
| 1825 | SCA landing | KSC SLF | |
| 2300 | Tow to OPF | OPF/3 | |
No comments:
Post a Comment