12 December 2017 - Mission Day: 8047 - DOY: 346
OPERATIONS
 
Science Operations
 
 

DOY = day-of-the-year; FD = Flight date. Times are in UTC.

    Month Day Year DOY FD Time Event
    JAN 09 2004 009 2961 - End of December keyhole period
    JAN 28 2004 028 2980 11:56 MDI 5-Day Continuous Contact until February 2, 15:43 UT
    JAN 31 2004 031 2983 14:22 First day of telemetry outage (2 minutes duration) from Madrid D66 station. RFI with MSG after it has been moved from 10 degrees west to 3.6 degrees west.
    FEB 11 2004 042 2994 13:12 MDI 5-Day Continuous Contact until February 17, 12:27
    FEB 22 2004 053 3005 14:22 Last day of telemetry outage (2 minutes duration) from Madrid D66 station. RFI with MSG.
    FEB 23 2004 054 3006 16:00 GSFC/JPL teleconference about receivers sweep times. Major conclusions: - DSN will do its best to perform only one sweep cycle to lock onto the receivers - SOHO project has agreed that it may take more than one cycle to lock since this longer duration should not harm the spacecraft receivers.
    MAR 16 2004 076 3028 - Beginning of March keyhole period
    MAR 30 2004 090 3042 - Station Keeping #41: jets 2,3,4; dV : 0.008567 m/s
    MAR 30 2004 090 3042 - Momentum Management 3 segments. Final speeds -1185/-520/2245 rpm
    MAR 30 2004 090 3042 - 180 degree Roll, satellite back to regular position. Final speeds: 1735/520/-1700 rpm
    APR 02 2004 093 3045 - VIRGO switched off by itself; turned back ON April 3, 2004.
    APR 08 2004 099 3051 - End of March keyhole period
    APR 21 2004 112 3064 5:37 ESR-20 triggered by FSPAAD
    APR 22 2004 113 3065 7:27 ESR-21 triggered by FSPAAD
    APR 22 2004 113 3065 16:12 ESR-22 triggered by FSPAAD
    APR 23 2004 114 3066 23:37 ESR-23 triggered by FPSS Sun Presence monitoring
    APR 27 2004 118 3070 17:05 Station Keeping #42: jets 1,2,4,6; dV: 0.7349 m/s
    APR 27 2004 118 3070 19:20 Momentum Management 3 segments. Final speeds: -1275/340/1205 rpm
    MAY 24 2004 145 3097 00:53 MDI 5-Day Continuous until June 6
    JUN 3 2004 155 3107 00:00 MEDOC Campaign #13, until June 17
    JUN 16 2004 168 3120 - Beginning of June keyhole period
    JUN 22 2004 174 3126 - SK-43: jets 2,3,4; dV: 0.476 m/s
    JUN 22 2004 174 3126 - 180 degree Roll, satellite in inverted position. Final speeds: 2250/--665/--1085 rpm
    JUL 3 2004 185 3137 - End of June keyhole period
    JUL 4 2004 186 3138 - MDI 60-Day Continuous until September 5
    SEP 5 2004 249 3201 06:34 Spacecraft transitioned to CRP mode due to SSU reset. Tracking windows of two stars became too close to each other leading the SSU software into an endless loop.
    SEP 11 2004 255 3207 - Beginning of September keyhole period
    SEP 21 2004 265 3217 - 180 degree Roll, satellite back to regular position. Final speeds: --1285/430/870 rpm
    SEP 21 2004 265 3217 - SK-44: jets 1,2,4,6; dV: 0.01516 m/s
    SEP 21 2004 265 3217 - Momentum Management 3 segments. Final speeds: --435/395/495 rpm
    SEP 21 2004 265 3217 - "Intermittent recording" patch upload
    SEP 22 2004 266 3218 - Patch "intermittent recording" test; subset #3
    SEP 24 2004 268 3220 - Patch "intermittent recording" activation; subset #6
    SEP 29 2004 273 3225 - SSR dump with "intermittent recording" data. Successful session
    OCT 08 2004 282 3234 - End of September keyhole period
    OCT 22 2004 296 3248 - First day of telemetry outage from Madrid D66 station. Suspected RFI with P92-3 USAF satellite.
    NOV 03 2004 308 3260 - MDI 5-Day Continuous until November 7
    NOV 08 2004 313 3265 - MEDOC Campaign #14, until November 21
    NOV 12 2004 317 3269 - Last day of telemetry outage from Madrid D66 station. Suspected RFI with P92-3 USAF satellite. RFI durations of a couple of minutes around 10:45 UT occurred on: Oct 22 & 24; Nov 1,2,3,6,7,10 & 12
    DEC 02 2004 337 3289 - MDI 5-Day Continuous until December 5
    DEC 08 2004 343 3295 - ESR-24 triggered by CSPAAD (false trigger)
    DEC 09 2004 344 3296 - --162.346 deg roll + Momentum Management 3 segments as part of the ESR-24 recovery. Final speeds: --600/3400/--1510 rpm
    DEC 12 2004 347 3299 - Beginning of December keyhole period
    DEC 21 2004 356 3308 - SK-45: jets 1,2,4,6; dV: 0.3358 m/s
    DEC 21 2004 356 3308 - Momentum Management 3 segments. Final speeds: 1165/455/--835 rpm
    DEC 21 2004 356 3308 - 180 deg roll, satellite in inverted position. Final speeds: --380/--455/1615 rpm
    DEC 30 2004 365 3317 - End of December keyhole period

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