1999-069A
Launch mass is 113881.9 (112563 in retrospective data). Sep mass of ET is 109965.3 kg. 3 EMUs carried. TCS. One HST-PFR in 13P and one on the FSS.
EVAs were carried out through the axial (longitudinal) hatch on the EAL. On the first EVA, the astronauts replaced HST's 6 gyros, the crucial mission task. Next, they fought with the valve covers on the NICMOS vents; they had planned to open the valves by hand and with a power ratchet tool, but in the end they had to go and get a pistol grip tool to remove the covers. The vents open, any remaining N2 will be vented by the time the new neon cooling system is installed on SM-3B. One of the old gyros wouldn't fit properly in the COPE at first, but eventually the crew managed to shove it in. The third task on EVA 1 was installation of Voltage Improvement Kits intended to prolong the life of the spacecraft's batteries. The walk was extended to allow the crew to install all six kits.
EVA-2 saw the installation of an Intel-486 based computer in the spacecraft.
During prep for EVA-3, Grunsfeld's suit had a problem, so he wore Foale's suit instead. On EVA-3, two bays were covered with the new outer blanket layers. There wasn't time to cover four more bays, so that was left for SM-3B.
| STS-103 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1999 Nov 4 | 1500 | Roll from OPF/1 to VAB/1 | |
| 1999 Nov 5 | Mate to ET in VAB/1 | ||
| 1999 Nov 13 | 1227 | Roll to LC39B | |
| 1999 Dec 16 | Scrub at T-11h | ||
| 1999 Dec 17 | Scrub | ||
| 1999 Dec 20 | 0050:00 | Launch | KSC LC39B |
| 0052:04 | SRB sep | ||
| 0058:26 | MECO | 90.89 56 x 587 x 28.5 | |
| 0058:45 | ET-101 sep | ||
| 0134:08 | T+44:00 OMS-2 2:33 75.2m/s | 313 x 579 x 28.5 | |
| 0136:41 | OMS 2 CO | ||
| 0149 | 93.63 320 x 583 x 28.5 | ||
| 0230 | PLBD open | ||
| 0615:30 | OMS-3 NC-1 91s 46m/s | ||
| 0617:02 | OMS-3 CO | ||
| 1400 | 95.32 484 x 583 x 28.5 | ||
| 1930s | RMS tests | ||
| 1999 Dec 21 | 0431:20 | OMS-4 NSR 47s 24m/s | |
| 0432:08 | OMS-4 CO | ||
| 0432:23 | RCS NC-1 trim | 0.4s | |
| 0526:49 | RCS NC-2 31s 2m/s | ||
| 0527 | 96.28 570 x 589 x 28.5 | ||
| 1826:22 | OMS-5 R NC-3 20s 5m/s | ||
| 1826:42 | OMS-5 CO | ||
| 1826:55 | NSR trim 0.2s | ||
| 1914:34 | OMS-6 L NH 17s 4m/s | ||
| 1914:51 | OMS-6 CO | ||
| 2128:00 | RCS NCC 1s | ||
| 2228:06 | TI 9s, 1.3m/s, mass 104144 kg | ||
| 2248:06 | MC-1 2s | ||
| 2322:58 | MC-2 5s | ||
| 2339:58 | MC-3 2s | ||
| 2349:58 | MC-4 7s | ||
| 1999 Dec 22 | 0002 | On -Rbar at 207m | |
| 0034:01 | Grapple | 591 x 610 x 28.5 | |
| 0133 | Berth on FSS | ||
| 0142:00 | Latched | ||
| 0203 | On external power | ||
| 0208 | RMS ungrapple | ||
| 0600 | 96.71 591 x 610 x 28.5 | ||
| 1838 | Depress at 1psi | ||
| 1841:37 | EVA depress end | ||
| 1852? | HO (TC closed), axial hatch | ||
| 1854 | EVA-1 on battery (Smith, Grunsfeld) | ||
| 1901 | Thermal cover open | ||
| 1902 | Egress EV1 | ||
| Grunsfeld on RMS | |||
| 2018 | Prep to change RSU2 | ||
| 2050? | RSU-2R out of ORUC | ||
| 2119 | RSU-2 removed | ||
| 2130? | RSU-2R installed | ||
| 2135? | RSU-2 in ORUC | ||
| 2135 | RSU-3R out of ORUC | ||
| 2156 | RSU-3 removed | ||
| 2210? | RSU-3R installed | ||
| 2215? | RSU-3 in ORUC | ||
| 2215? | RSU-1R out of ORUC | ||
| 2235 | RSU-1 removed | ||
| 2243 | RSU-1R installed | ||
| 2250? | RSU-1 in ORUC | ||
| Difficulty closing RSU-1 in box | |||
| 2250 | Attempt to open NICMOS valves | ||
| 2333 | Second attempt | ||
| 1999 Dec 23 | |||
| 0006 | NICMOS cooling valves opened | ||
| 0108 | Begin Voltage Improvement Kit work | ||
| 0129 | VIK 1-3 into Bay 3 | ||
| 0150 | Begin VIK 4-6 into Bay 2 | ||
| 0208 | VIK install complete | ||
| 0252 | Ingress | ||
| 0258 | Thermal cover closed | ||
| 0302 | Hatch closed | ||
| 0306 | Repress begins | ||
| 0309:28 Begin repress (STS MR) | |||
| 0310 | EVA-1 off battery, 8:15 | ||
| 0310 | Repress, NASA dur 8:15:10, JCM dur 8:32 | ||
| EVA-2 Foale, Nicollier | |||
| 1828 | Depress begins | ||
| 1845 | Airlock at 2psi : DEPRESS? | ||
| 1852:33 | Depress complete (MR) | ||
| 1855 | Depressurized at 0.2psi | ||
| 1900 | Hatch open | ||
| 1905:56 | EVA-2 on battery | ||
| 1913 | Thermal cover open, egress | ||
| 1938 | Foale on RMS | ||
| 2015 | DF-224 computer removed | ||
| 2045? | DF-224 stowed | ||
| 2050? | HST-486 out of ORUC | ||
| 2120 | HST-486 computer installed | ||
| 2200? | Foale off RMS, Nicollier on RMS | ||
| 2341 | FGS-2R removed from HST | ||
| 2357 | FGS-2 out of ORUC | ||
| 1999 Dec 24 | 0043 | FGS-2 installed in HST | |
| 0140? | FGS-2R stowed in ORUC | ||
| 0303 | Ingress; dur 7:50 | ||
| 0307 | HC; dur 8:07 | ||
| 0311 | Begin repress, on orbiter power | ||
| 0316:19 | Repress : NASA dur 8:10 JCM depress dur 8:31 | ||
| EVA-3 Grunsfeld, Smith | |||
| 1848 | Go for depress | ||
| 1909:51 | Depressurized (MR) | ||
| 1915? | Inner hatch open | ||
| 1917 | Depress complete | ||
| 1917 | On battery EVA-3 | ||
| 1926 | Thermal cover open | ||
| 1927 | Egress | ||
| Grunsfeld on RMS | |||
| 2200 | 96.71 590 x 610 x 28.5 | ||
| NOBL layers added | |||
| 1999 Dec 25 | 0202 | Off RMS | |
| Rotate telescope | |||
| 0255 | Ingress | ||
| 0301 | Thermal cover closed | ||
| 0307 | Hatch closed | ||
| 0318 | Grunsfeld EMU failed to switch to OV power | ||
| 0325:48 | Repress 8:08 NASA; JCM 8:15 | ||
| 2000:30 | RMS grapple HST | ||
| 2118:41 | HST unberth | ||
| 2303:01 | Release T+6:21:28 | ||
| 2303:45 | Sep-1 RCS 5s 0.4m/s | ||
| 2338:54 | Sep-2 RCS 5s 0.4m/s | ||
| 1999 Dec 26 | 2108:30 | RCS adjust 95s 7m/s lower peri 28km | |
| 1999 Dec 27 | 0600 | 96.40 562 x 609 x 28.5 | |
| 1827 | PLBD closed | ||
| 2248:26 | Deorbit 4:49 157m/s | 50 x 616 x 28.4 | |
| 2253:15 | OMS DO CO | ||
| 2329:41 | Entry Interface | ||
| 1999 Dec 28 | 0000:47 | MGTD KSC RW33 7:23:10:47 | |
| 0000:58 | NGTD | ||
| 0001:34 | WS | ||
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