1995-056A
STS-73 was an EDO flight carrying the US Microgravity Lab 2 Spacelab long module. Launch mass was 116721 kg. Landing mass was 104514 kg. 1852 kg of RCS and 4927 kg of OMS fuel were used. During reentry, early and asymmetric boundary layer transition occurred at Mach 19 (instead of Mach 8 as usual), causing the hottest reentry to date.
| STS-73 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1995 Aug 21 | 1430 | Tow to VAB | |
| 1995 Aug 22 | Mate with ET/SRB | ||
| 1995 Aug 28 | Roll to LC39B | ||
| 1995 Sep 28 | 0900 | Scrub, LH2 leak, T-4h | |
| 1995 Oct 7 | Scrub | ||
| 1995 Oct 20 | 1353:00 | Launch | LC39B |
| 1355:04 | SRB sep | ||
| 1401:30 | MECO | 88.09 79 x 280 x 39.0 | |
| 1401:49 | ET sep | ||
| 1434:28 | OMS-2 burn 1:59 57 m/s | ||
| 1528 | PLBD open | 90.03 271 x 280 x 39.0 | |
| 1529? | ET reentry | ||
| 1654:40 | RCS burn 30s 2m/s | 89.97 267 x 278 x 39.0 | |
| 1995 Oct 23 | 89.92 265 x 276 x 39.0 | ||
| 1995 Oct 26 | 89.87 262 x 273 x 39.0 | ||
| 1995 Nov 1 | 89.80 259 x 269 x 39.0 | ||
| 1995 Nov 4 | 0916 | RCS vernier plume test | |
| 1995 Nov 5 | 0815 | PLBD closed | 89.73 255 x 266 x 39.0 |
| 1046:40 | Deorbit 2:42 82m/s | -19 x 265 x 39 | |
| 1113:19 | Entry interface 122 km | ||
| 1145:21 | Landed at KSC RW33 | ||
| 1145:35 | NGTD | ||
| 1146:16 | Wheel stop | ||
| 2000 | Tow to OPF/2 | ||
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