OPERATIONS
Science Operations
DOY = day-of-the-year; FD = Flight date. Times are in UTC.
| Month | Day | Year | DOY | FD | Time | Event |
| JAN | 5 | 1996 | 5 | 35 | 0:45 | MCC2 Z-1 Burn |
| JAN | 5 | 1996 | 5 | 35 | 4:10 | MCC2 Z-2 Burn |
| JAN | 5 | 1996 | 5 | 35 | 5:40 | MCC2 X-1 Burn |
| JAN | 13 | 1996 | 13 | 43 | 14:31 | Onboard Time Frequency Adjustment |
| JAN | 16 | 1996 | 16 | 46 | 18:25 | Momentum Management; -1200/+1000/+3200 |
| FEB | 1 | 1996 | 32 | 62 | 10:16 | Fail-over to Gyro Mode |
| FEB | 14 | 1996 | 45 | 75 | 17:00 | Halo Orbit Insertion Manoeuvre (HOI) |
| FEB | 14 | 1996 | 45 | 75 | 19:01 | Reaction Wheel 4 Commissioning |
| FEB | 17 | 1996 | 48 | 78 | 14:45 | Offset Tests:FPSS Pi&Ya; Golf: Ro,Pi,Ya (PCPG) |
| FEB | 21 | 1996 | 52 | 82 | 5:52 | J2 - Golf Oscillation Tests - Yaw (PCPG) |
| FEB | 22 | 1996 | 53 | 83 | 2:30 | J2 - Golf Oscillation Tests - Pitch (PCPG) |
| FEB | 24 | 1996 | 55 | 85 | 9:52 | Fail-over to Gyro Mode |
| FEB | 26 | 1996 | 57 | 87 | 21:56 | Telemetry Submodes 2,3,4 tested |
| MAR | 2 | 1996 | 62 | 92 | 14:52 | Tape Recorder Maintenance |
| MAR | 5 | 1996 | 65 | 95 | 21:02 | Fail-over to Gyro Mode |
| MAR | 7 | 1996 | 67 | 97 | 13:32 | FPSS Pitch reference updated to -810 arcsec |
| MAR | 11 | 1996 | 71 | 101 | 18:50 | COBS patch for ACU Reset Monitoring (via "troubleshoot" function) |
| MAR | 14 | 1996 | 74 | 104 | 16:13 | ACU Patch 5 uplinked (SEU's are screened by "staircase filter"); name:CSEA003 |
| MAR | 15 | 1996 | 75 | 105 | 8:00 | GOLF Roll Oscillations +/-45 arcsec for 16 hrs (PCPG) |
| MAR | 18 | 1996 | 78 | 108 | 21:56 | Momentum Management; +2350/-3010/+958 |
| MAR | 19 | 1996 | 79 | 109 | 16:58 | J1 Test - 360 degree roll, steps of 30,45 and 90 degrees |
| MAR | 20 | 1996 | 80 | 110 | 16:45 | Wheels Test and MMM: -1200/+1000/+3000 |
| MAR | 20 | 1996 | 80 | 110 | 22:45 | Halo Orbit Insertion Manoeuvre (HOI) - Trim |
| MAR | 26 | 1996 | 86 | 116 | 15:46 | VIRGO LOI Door opened with COBS Patch |
| APR | 3 | 1996 | 94 | 124 | 17:10 | J3 - FPSS Trim -10 arcmin North (in 50 min) 20 moves |
| APR | 4 | 1996 | 95 | 125 | 12:20 | J3 - FPSS Trim - 20 arcmin East (in 55 min) 40 moves |
| APR | 13 | 1996 | 104 | 134 | 16:55 | Fail-over to Gyro Mode |
| APR | 16 | 1996 | 107 | 137 | 23:13 | FPSS Pitch Bias set 3.3 arcmin |
| APR | 19 | 1996 | 110 | 140 | 19:21 | Onboard Time Frequency Adjustment |
| APR | 21 | 1996 | 112 | 142 | 17:11 | Fail-over to Gyro Mode |
| APR | 24 | 1996 | 115 | 145 | 19:40 | MDI Continuous Coverage, 3 days until 119/08:30 |
| APR | 26 | 1996 | 117 | 147 | 15:32 | Fail-over to Gyro Mode |
| MAY | 3 | 1996 | 124 | 154 | 2:48 | Fail-over to Gyro Mode |
| MAY | 6 | 1996 | 127 | 157 | 20:30 | Telemetry Submode 2 tested for 30 min. |
| MAY | 16 | 1996 | 137 | 167 | 20:45 | Tape Recorder Maintenance |
| MAY | 17 | 1996 | 138 | 168 | 22:56 | Momentum Management; -2000/+1000/-1000 |
| MAY | 20 | 1996 | 141 | 171 | 23:30 | Roll 90 degrees for CDS, SUMER (JOP2) |
| MAY | 22 | 1996 | 143 | 173 | 19:40 | Momentum Management; -800/+1000/-800 |
| MAY | 23 | 1996 | 144 | 174 | 0:02 | Station Keeping # 1 X-1; (141 sec) |
| MAY | 23 | 1996 | 144 | 174 | 11:40 | MDI Continuous Coverage, 2 months until 206/04:30 |
| MAY | 26 | 1996 | 147 | 177 | 18:18 | Fail-over to Gyro Mode |
| JUN | 25 | 1996 | 177 | 207 | 13:46 | Onboard Time Frequency Adjustment |
| JUN | 27 | 1996 | 179 | 209 | 18:05 | Momentum Management; -1200/+1000/+3000 |
| JUL | 24 | 1996 | 206 | 236 | 16:52 | Fail-over to Gyro Mode |
| JUL | 26 | 1996 | 208 | 238 | 19:31 | Fail-over to Gyro Mode |
| JUL | 30 | 1996 | 212 | 242 | 18:41 | Fail-over to Gyro Mode |
| AUG | 18 | 1996 | 231 | 261 | 12:00 | MDI Continuous Coverage, 3 days until 235/03:10 |
| AUG | 18 | 1996 | 231 | 261 | 19:06 | CTOF (CELIAS) power -off untill Nov 29,96 |
| SEP | 3 | 1996 | 247 | 277 | 17:55 | Fail-over to Gyro Mode |
| SEP | 9 | 1996 | 253 | 283 | 15:48 | VIRGO "safe " mode (low power) untill Sept.12, 19:50 |
| SEP | 11 | 1996 | 255 | 285 | 19:59 | Reaction Wheel 4 maintenance |
| SEP | 11 | 1996 | 255 | 285 | 20:42 | Momentum Management; -1200/+1000/+3000 |
| SEP | 11 | 1996 | 255 | 285 | 23:15 | Station Keeping # 2 X-1; ( 210 sec) |
| SEP | 12 | 1996 | 256 | 286 | 15:15 | ACU Patch 6 uplinked ("star jump filter"); name: CSEA004 |
| SEP | 17 | 1996 | 261 | 291 | 14:45 | MDI Continuous Coverage, 3 days until 265/01:35 |
| OCT | 1 | 1996 | 275 | 305 | 15:49 | Tape Recorder Maintenance |
| OCT | 4 | 1996 | 278 | 308 | 14:50 | Onboard Time Frequency Adjustment |
| OCT | 13 | 1996 | 287 | 317 | 2:28 | Fail-over to Gyro Mode |
| OCT | 13 | 1996 | 287 | 317 | 18:32 | Fail-over to Gyro Mode |
| OCT | 17 | 1996 | 291 | 321 | 13:00 | MDI Continuous Coverage, 3 days until 295/07:30 |
| OCT | 20 | 1996 | 294 | 324 | 21:26 | Fail-over to Gyro Mode |
| NOV | 9 | 1996 | 314 | 344 | 21:53 | Momentum Management; +1800/+800/+3000 |
| NOV | 10 | 1996 | 315 | 345 | 15:41 | Fail-over to Gyro Mode |
| NOV | 16 | 1996 | 321 | 351 | 8:25 | MDI Continuous Coverage, 3 days until 325/00:30 |
| NOV | 20 | 1996 | 325 | 355 | 21:05 | FPSS Off-pointing by 10 arcsec Pitch and Yaw |
| NOV | 21 | 1996 | 326 | 356 | 16:29 | Roll to 45 and 90 degrees |
| NOV | 22 | 1996 | 327 | 357 | 7:15 | Roll back from 90 to 0 degrees |
| NOV | 22 | 1996 | 327 | 357 | 17:07 | Momentum Management; +500/+1000/+2500 |
| NOV | 30 | 1996 | 335 | 365 | 16:22 | Fail-over to Gyro Mode |
| DEC | 2 | 1996 | 337 | 367 | 15:23 | Tape Recorder Maintenance |
| DEC | 4 | 1996 | 339 | 369 | 18:30 | Telemetry Submode 2 tested for 4 hrs |
| DEC | 5 | 1996 | 340 | 370 | 13:00 | Telemetry Submode 3 tested for 3 hrs |
| DEC | 15 | 1996 | 350 | 380 | 15:50 | MDI Continuous Coverage, 3 days until 354/01:50 |
