OPERATIONS
Science Operations
DOY = day-of-the-year; FD = Flight date. Times are in UTC.
Month | Day | Year | DOY | FD | Time | Event | |
JAN | 14 | 2001 | 14 | 1871 | 21:02 | ESR-16, caused by ACU reset | |
JAN | 15 | 2001 | 15 | 1872 | 17:33 | recovery to CRP; Momentum Management: 1 burn 23:25 | |
JAN | 16 | 2001 | 16 | 1873 | 0:30 | Roll back from -55 to -5.6 deg., completed 02:20 | |
JAN | 16 | 2001 | 16 | 1873 | 16:45 | Momentum Management. burn 1 with jet 4; wheels go from 277/-960/1124 to 587/-910/762 | |
JAN | 16 | 2001 | 16 | 1873 | 17:05 | Momentum Management burn 2 with jet 5; wheels go to 854/-921/1029 | |
JAN | 16 | 2001 | 16 | 1873 | 17:50 | Station Keeping #27: thrusters 1,2,4, and 6; delta V: 0.154 m/s, fuel:0.168 kg | |
JAN | 16 | 2001 | 16 | 1873 | 18:50 | Momentum Management burn 1 with jet 3; wheels go from 865/-919/1038 to 390/1049/1644 | |
JAN | 16 | 2001 | 16 | 1873 | 19:15 | Momentum Management burn 2 with jet 2; wheels go to 309/351/991; Hx: 5.04 NMS | |
JAN | 16 | 2001 | 16 | 1873 | 20:35 | Roll Profile to trim the final roll attitude (- 5.5 degrees); back in Normal Mode @ 20:49 | |
FEB | 8 | 2001 | 39 | 1896 | 18:26 | Offpointing for EIT (arcsec): Yaw: -225,-100,0,68,383,0; Pitch: -225,-100,0,68,383,30,0; done 21:00 | |
FEB | 22 | 2001 | 53 | 1910 | 17:30 | Momentum Management; jets 1 and 3; final speeds: -977; 501; 1023 rpm; SK -28: delta V: 2mm/s; fuel 1.8 grams | |
FEB | 28 | 2001 | 59 | 1916 | 09:15 | MDI Continuous Coverage until May 31 at 01:50 UT | |
APR | 2 | 2001 | 92 | 1949 | 21:51 | Proton event - X20 flare with elevated proton counts for 6 days, followed by a series of events catalogued at the following web site: http://sohowww.nascom.nasa.gov/hotshots/pastshots.html# | |
APR | 15 | 2001 | 105 | 1962 | 19:27 | Proton event - X14 flare | |
APR | 18 | 2001 | 108 | 1965 | 03:00 | Proton event from backside flare | |
MAY | 14 | 2001 | 134 | 1991 | 00:00 | MEDOC Campaign #7, until May 28 | |
JUN | 28 | 2001 | 179 | 2036 | 14:10 | Station Keeping #29: thrusters 2,3,4; delta V: 0.659 m/s, fuel: 0.55 kg; 76 minutes | |
JUN | 28 | 2001 | 179 | 2036 | 15:55 | Momentum Management; 3 segments: jets 5,4,1; final speeds: -335/327/1092 rpm | |
JUL | 28 | 2001 | 209 | 2066 | 20:16 | ESR-17, caused by ACU reset; recovery to CRP 3:20 | |
JUL | 29 | 2001 | 210 | 2067 | 17:06 | Roll back (by 158 degrees) from 162 degrees to 4 degrees, completed 22:46 | |
JUL | 30 | 2001 | 211 | 2068 | 00:14 | Momentum Management; 3 segments: jets 3,1,5; final speeds: -522/585/1024 rpm | |
JUL | 31 | 2001 | 212 | 2069 | 15:30 | Station Keeping #30: thrusters 1,2,4, and 6; delta V: 0.185 m/s, fuel: 0.202kg | |
AUG | 8 | 2001 | 220 | 2077 | 19:48 | ACU Patch 15 uplinked (fixing RAM corruption by selfcheck); name: CSEA015 | |
AUG | 16 | 2001 | 228 | 2085 | - | Halo CME and proton storm (CME began on August 15 at about 23:48 UT). Proton count receded soon enough so instruments didn't have to safe | |
AUG29 |
2001 |
241 |
2098 |
08:55 |
MDI Continuous until Sept. 4 at
08:32 UT |
| |
SEP | 24 | 2001 | 267 | 2124 | 09:36 | CME; X-ray flare (X2.6), peak at 10:38 UT; energetic particle event at 12:00 UT, lasting until 269/12:00 | |
OCT | 15 | 2001 | 288 | 2145 | - | MEDOC Campaign #8, until October 26 | |
OCT | 24 | 2001 | 297 | 2154 | 23:30 | MDI continuous until Oct. 30 at 19:25 | |
NOV | 03 | 2001 | 307 | 2164 | 20:09 | Start of X-panel heater switch-down in 10% steps; completed Nov. 19 at 18:51 | |
NOV | 04 | 2001 | 308 | 2165 | 18:06 | Proton event, X1 flare at 16:03; CTOF powered off after limit violation until Nov 19 @ 19:17 | |
NOV | 07 | 2001 | 311 | 2168 | 07:20 | SK-31: jets 1,2,4,5; delta V: 0.02 m/s, fuel: 0.02 kg; Mom. Mgmt: 3 segm.; speeds: -487/215/2477 | |
NOV | 14 | 2001 | 318 | 2175 | 12:00 | Science roll: from 6.5 degrees to 330 degrees in 30 degree steps; back to 270 degrees - overnight stay; back to 6.5 degrees next day | |
NOV | 20 | 2001 | 324 | 2181 | - | Tank heating thresholds changed from 18-23 degrees to 20-21 degrees | |
NOV | 23 | 2001 | 327 | 2184 | 06:00 | Proton event; M9.9 flare at 22:32 on Nov. 22, lasting until Nov. 24 @ 13:00; CDS safed Nov. 24 | |
DEC | 26 | 2001 | 360 | 2217 | 05:00 | Proton event; went on until 15:00 UT |