2001-010A
Flight 5A.1 was the first MPLM logistics mission. The ICC was used to carry external cargo; the Early Ammonia Servicer was reassigned to 7A.1 shortly before launch.
Two EVAs were planned: first, stowing umbilicals on PMA-3 and stowing the port ECOMM antenna on Unity. Then, installing the LCA and the PDGF-RU from the ICC to Destiny, as well as the ESP and the PFCS.
A new ascent trajectory set the ET into impact E of New Zealand. Orbit insertion mass (post OMS2) is around 113400 kg. As Discovery reached the V-bar, one P6 solar array was not latched, and the crew were ordered to remain outside 120m. Finally the latches were locked, and the approach resumed a half-hour behind schedule.
Usachyov becomes a Station crew member shortly after hatch open; he takes command effectively when Shepherd switches with Helms on Mar 14 and there is a formal transfer before hatch closure.
Voss (EV-1) and Helms (EV-2) will make EVA-1.
Kelly operated the arm during the main part of the EVA, and handed over to Thomas for the PMA-3 move. There were problems docking PMA-3 to Unity. As Voss and Helms waited in the airlock, Thomas pushd PMA-3 on the RMS into the CBM, but pulled out again when the alignment was not quite right.
PAD is 0.3m x 0.2m, 5 kg, it is used to attach the PFR to the RMS.
At the end of EVA-2, repressurization began but was immediately halted on Houston's order. For DTO 257, a test of the Shuttle's RCS while docked to the ISS, controllers wanted a depressurized airlock, since the airlock's proximity to the Shuttle/ISS interface means the dynamics depends on the state of the airlock. The airlock had reached 1.8psi and was depressurized again, staying at zero for a further 14 minutes.
Total transfer: MPLM to ISS 4380 kg (Racks, stowage items, RSR/RSP stowage); 4821 kg including 10 CWCs with 440 kg of water. ISS to MPLM: 750 kg. (Down cargo 1193 kg per SS Almanac, 493 kg per SODB).
The SODB gives the deployed mass as 4377 kg, but this ignores the 400 kg of EVA transferred materials.
| STS-102 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 2001 Feb 2 | Tow from OPF/1 to VAB/1 | ||
| 2001 Feb 4 | ET mate | ||
| 2001 Feb 12 | 1210 | Roll to LC39B | |
| 2001 Mar 8 | 1142:09 | Launch from LC39B | |
| 1144:13 | SRB sep | ||
| 1144:23 | OMS Assist 69.5s | ||
| 1150:32 | MECO | ||
| 1150:51 | ET sep | 60 x 222 x 51.6 | |
| 1220:46 | OMS-2 1:04 30m/s | 185 x 219 x 51.6 | |
| 1221:50 | OMS-2 cutoff | ||
| 1327:33 | PLBD open | 159 x 235 x 51.6 | |
| 1330 | Insulation button floats out | ||
| 1516:32 | OMS-3 NC1 73s 34m/s | ||
| 1600 | 89.57 233 x 273 x 51.6 | ||
| 2001 Mar 9 | Mass 113390 kg | ||
| 0414:23 | OMS-4 NC2 burn 16s 4m/s | 89.69 243 x 275 x 51.6 | |
| 1415:17 | OMS-5 NC3 burn 76s 36m/s | 90.95 269 x 372 x 51.6 | |
| 2001 Mar 10 | 0127 | Tally ho Station 67 km | |
| 0135:14 | OMS-6 NC4 burn 76s 28m/s mass 112009 kg | ||
| 0214:56 | NCC 7s 0.6m/s | ||
| 0312:29 | OMS-7 L TI burn 110988kg 12s 3m/s | ||
| 0332:38 | RCS MC1 1.5s | ||
| 0345:40 | RCS OOP Null, 60s | ||
| 0354 | At 10 km | ||
| 0406:08 | MC2 | ||
| 0423:21 | MC3 | ||
| 0426 | 1.1 km | ||
| 0433:21 | MC4 9s 0.6m/s | ||
| 0445 | On -R-bar at 200m | ||
| 0450 | At 150m | ||
| 0500 | On V-bar at 140m | ||
| 0537 | Begin V-bar approach | ||
| 0556 | At 75m | ||
| 0618 | At 30m | ||
| 0633 | 11m, begin final approach | ||
| 0638 | 1m | ||
| 0638:26 | Docking with PMA-2 | 92.06 370 x 381 x 51.6 | |
| 0658:23 | Hard dock | ||
| 0851 | HO to ISS PMA-2 | ||
| 1034 | Usachev joins ISS crew, repl. Gidzenko | ||
| 1054 | HC to ISS | ||
| 2001 Mar 11 | 0453 | Go for depress EVA-1 Voss, Helms | |
| 0504 | Airlock near zero psi | ||
| 0507:16 | Airlock depressurized (MR) | ||
| 0512? | HO | ||
| 0512 | Battery | ||
| 0520 | TC open | ||
| 0522 | Voss egress | ||
| 0526? | Helms egress | ||
| 0526 | N2H4 detector bag floats free | ||
| 0528 | detector bag captured by Voss | ||
| 0542 | PAD (Portable Attachment Device) floats away | ||
| 0630 | Disconnecting umbilicals on PMA-3 | ||
| 0729 | Get PAD from Unity node bag | ||
| 0811 | Remove Early Comm antenna from Unity | ||
| 0836 | Unberth LCA | ||
| 0849 | LCA attached to Destiny | ||
| 0933 | Voss off RMS | ||
| 0940? | Helms on RMS | ||
| 1011 | RU unberth from ICC | ||
| 1022 | RU on Destiny | ||
| 1050 | Helms ingress | ||
| 1124:27 | RMS grapple PMA-3 | ||
| 1138 | Voss ingress | ||
| 1155 | Off battery power | ||
| 1157 | RMS unberth PMA-3 | ||
| 1321 | PMA-3 near new location | ||
| 1332? | PMA-3 almost docked to Unity | ||
| 1344 | PMA-3 berthed and latched | ||
| 1358 | Close TC | ||
| 1400:45 | RMS ungrapple PMA-3 | ||
| 1405 | HC | ||
| 1407:47 | Repress 8:56 (NASA) 9:00 (dp) | ||
| 2001 Mar 12 | |||
| 0315 | HO to ISS | ||
| 0336 | RMS grapple MPLM | ||
| 0410 | Unberth MPLM | ||
| 0445 | Voss replaces Krikalyov on ISS crew | ||
| 0553 | MPLM close to berthing on Unity nadir | ||
| 0600 | Contact to Unity | ||
| 0603 | Ready to latch | ||
| 0606 | Berthed on Unity | ||
| 0627:47 | MPLM ungrapple | ||
| 1139 | HC to ISS | ||
| 2001 Mar 13 | EVA-2 Thomas (EV3), Richards (EV4) | ||
| Thomas: Safer 5; Richards: Safer 7 | |||
| 0505 | Begin depress | ||
| 0518 | Depress | ||
| 0519:53 | Depress (MR) | ||
| 0520 | HO | ||
| 0523 | Battery power | ||
| 0530 | TC Open | ||
| 0533 | Thomas egress | ||
| 0549 | Richards egress | ||
| 0619 | ESP unberth | ||
| 0648 | ESP-1 installed on Destiny | ||
| 0701 | PFCS unberth | ||
| 0728 | ESP/PFCS installation | ||
| 0830 | RU cable hookup | ||
| 1000 | FPP and P6 latch inspect/maintain | ||
| 1123 | Richards ingress | ||
| 1131 | Thomas ingress | ||
| 1132 | TC close | ||
| 1133 | HC | ||
| 1141 | SCU; prep to repress | ||
| 1144:17 | Repress 6:21 NASA | ||
| 1146 | Halt repress at 1.8psi | ||
| 1149 | Depress valve open for DTO 257 | ||
| 1150 | Below 1.5 psi? | ||
| 1155 | Airlock at zero, depress for thruster test | ||
| 1209 | Repress | ||
| 1215 | Repress resume after pressure check | ||
| 1437 | HO to ISS | ||
| 2001 Mar 14 | 0600 | Helms to ISS crew, Shep to OV | |
| 1212:09 | Reboost 3m/s 47min | 92.17 372 x 389 x 51.6 | |
| 2001 Mar 16 | 1132:23 | Reboost 57min 2m/s | 92.23 377 x 390 x 51.6 |
| 2001 Mar 17 | 0917:45 | Reboost-3 58min 2m/s | |
| 1200 | 92.31 381 x 394 x 51.6 | ||
| 2001 Mar 18 | 0759:03 | RMS grapple MPLM | |
| 1042 | Unberth MPLM from Unity | ||
| 1204? | Reberth MPLM | ||
| 1217:02 | Ungrapple MPLM | ||
| 1308 | RMS recradle | ||
| 2001 Mar 19 | 0232 | Transfer command to Ex-2 | |
| 0232 | HC to ISS | ||
| 0431:53 | Undock PMA-2 along +V-bar | ||
| 0450 | At 50m, fly from +Vbar to +R | ||
| 0505 | Begin flyaround at 140m on +R-bar | ||
| 0535 | Complete flyaround 1 at 120m on +V | ||
| 0548:00 | Sep burn, on -Rbar 12s 1m/s | ||
| 2200 | 92.26 378 x 392 x 51.6 | ||
| 2001 Mar 20 | 0727:58 | 9m/s OMS-8? adj 16s m=103252 to 102962 | |
| 2001 Mar 21 | 0351 | PLBD closed | 91.96 362 x 378 x 51.6 |
| 0626:06 | OMS DO 2:57 93.6m/s | 88.75 47? x 377 x 51.6 | |
| 0629:03 | OMS DO CO | ||
| 0659:53 | Entry interface | ||
| 0731:42 | MGTD KSC RW 15 | ||
| 0731:54 | NGTD | ||
| 0733:06 | Wheels stop | ||
| 1210 | Tow to OPF/2 | ||
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