Deep Impact Mission Timeline Acronyms ADCS Attitude Determination and Control Subsystem DOR Differential One-way Ranging FB Flyby spacecraft FSW Flight Software HGA High-Gain Antenna IMP Impactor LUT Lookup Tables (for compression) NVM Non-Volatile Memory ORT Operations Readiness Test PLAR Post Launch Assessment Review SCU Spacecraft Control Unit TCM Trajectory Correction Maneuver Inst Temps Likely Actual Through DOY 156 Date Day of Affected? Planned DOY 157 through 191 (2005) Year ---------- ---------------------------------------------------------------------------------------------------------------------------- ------- ------ Launch Day 1, Safe Mode Entry Jan 12 012 Yes Safe Mode Recovery, Go to Point Jan 13 013 HRI/MRI Checkout and Quick Alignment Jan 14 014 Prep for Science Cal Jan 15 015 Yes HRI/MRI Science Moon/Earth Cal (VIS and IR) Part 1, HRI Focus Test Jan 16 016 Yes HGA Gimbal Unlock and Checkout, Transition to HGA Jan 17 017 Margin Jan 18 018 Yes FSW Patch 6.2.4, Solar Flare-Induced Safe Mode Entry Jan 19 019 Yes Safe Mode Recovery Jan 20 020 Yes Safe Mode Recovery Jan 21 021 Margin Jan 22 022 Margin Jan 23 023 Yes HGA Gimbal Anomaly Jan 24 024 Yes MRI Stray Light Test - MRI Turn-Off Anomaly Jan 25 025 Flyby Autonav Test - Moon Jan 26 026 Margin Jan 27 027 Yes MRI Stray Light Jan 28 028 Yes HRI Focus, IR Stray Light, HRI Snippet Test, IR Lunar Scan Jan 29 029 Margin Jan 30 030 Margin Jan 31 031 Impactor Checkout Part 1 Feb 01 032 RWA Uncoupled Desat Feb 02 033 Delta DOR Feb 03 034 IR Lunar Scan Feb 04 035 Yes Flyby Autonav Test - Jupiter Feb 05 036 Margin Feb 06 037 Margin Feb 07 038 FSW Patch 6.3.0 Flyby File Uplink and SCU-B Install Feb 08 039 Yes FSW Patch 6.3.0 Flyby SCU-A Install, Shield Mode Recovery Feb 09 040 TCM-1 Uplink Window Feb 10 041 Yes TCM-1 Execution Feb 11 042 Margin Feb 12 043 Margin Feb 13 044 Margin Feb 14 045 HRI Ghost Image Test Feb 15 046 FSW Patch 6.3.0 Impactor File Uplink Feb 16 047 FSW Patch 6.3.0 Impactor, ICO Uplink and Prep Part 1 Feb 17 048 Impactor Checkout Part 2 Feb 18 049 Yes HRI Bakeout Heaters On (6 Htrs) Feb 19 050 Yes Margin Feb 20 051 Yes HRI Ghost Image Test 2 Feb 21 052 Yes Impactor Checkout Part 3, ITS Quick Alignment Feb 22 053 Yes Impactor Checkout Part 4, S-Band, ADCS, Sep Circuits Checkout Feb 23 054 Yes HRI Bakeout Heaters On (8 Htrs) Feb 24 055 Yes Inertia Cal, Star Tracker Cal Feb 25 056 Yes Margin Feb 26 057 Yes Margin Feb 27 058 Yes Margin Feb 28 059 Yes MRI Decon Heaters Off Mar 01 060 Yes MRI-Star Tracker Cal, MRI Stray Light, MRI Geometric Cal Mar 02 061 Yes PLAR, MSA Reconfig At Ball Aerospace - disland move Mar 03 062 Yes Margin Mar 04 063 Yes Margin Mar 05 064 Yes Margin Mar 06 065 Yes ORT-8 Uplinks Mar 07 066 Yes ORT-8, Ghost Image Test 3 Mar 08 067 Yes ORT-8 Mar 09 068 Yes FSW Patch 6.3.1 Flyby File Uplink and Install Mar 10 069 Yes Ghost Image Test 4 Mar 11 070 Yes Margin Mar 12 071 Yes Ghost Image Test 5 Mar 13 072 Yes ITS Decon Heaters On Mar 14 073 Yes Ghost Image Test 6, HRI Bakeout Heaters Off, MRI/ITS Bakeout Htrs On Mar 15 074 Yes SCU-A Reboot, Safe Mode Recovery Mar 16 075 Yes Ghost Image Test 7 (AM), Instrument FSW Load, Ghost Image Test 8 (PM), HRI Decon Heaters Off Mar 17 076 Yes Impactor Cleanup and Thermal FP Enable, Ghost Image Test 9, HRI Decon Heaters Off Mar 18 077 Margin Mar 19 078 Margin Mar 20 079 Yes MRI/ITS Bakeout Htrs On, HGA Jitter Test Mar 21 080 Yes Update FB SCU-B B:/ Drive to FSW 6.3.1, TCM-2 Kickoff Meeting Mar 22 081 Yes Update FB SCU-A B:/ Drive to FSW 6.3.1 Mar 23 082 Yes Encounter Validation, MRI Bakeout Htrs On Mar 24 083 Yes Margin Mar 25 084 Yes Margin Mar 26 085 Yes Margin Mar 27 086 Yes MRI/ITS Bakeout Htrs Off Mar 28 087 Margin Mar 29 088 FSW Patch 6.3.2 SCU-A and SCU-B Mar 30 089 Precise Alignments Update, MRI Opnav Photometric Cal Mar 31 090 Margin Apr 01 091 Autonav Encounter Test - Cancelled Apr 02 092 Margin Apr 03 093 Science Cal Uplinks, ORT-9 Uplink Product Pass 0 Review Apr 04 094 Yes Science Cal Apr 05 095 Yes Science Cal Apr 06 096 Yes Science Cal Apr 07 097 Yes Science Cal Apr 08 098 Margin Apr 09 099 Margin Apr 10 100 FSW Patch 7.0.0 Flyby File Uplink and SCU-B Install Apr 11 101 Yes FSW Patch 7.0.0 Flyby SCU-A Install, Shield Mode Recovery Apr 12 102 Encounter Risk Review 1 Apr 13 103 Margin Apr 14 104 Margin Apr 15 105 Margin Apr 16 106 Yes ORT-9 Apr 17 107 Yes ORT-9, Opnav-ADCS (FB) Attitude Estimation, HRI/MRI Alignment, HRI Stray Light Apr 18 108 ORT-9 Uplinks Apr 19 109 Yes ORT-9 Apr 20 110 Yes ORT-9 Apr 21 111 Margin Apr 22 112 Yes Opnav-ADCS (FB) Attitude Estimation, HRI/MRI Alignment, HRI Stray Light Apr 23 113 Margin Apr 24 114 Yes Opnav Detection Tempel-1 Apr 25 115 Margin Apr 26 116 HRI/IR Stray Light Test Apr 27 117 HRI/IR Stray Light Test Apr 28 118 Margin Apr 29 119 Yes ITS Autonav Test - Saturn Apr 30 120 Yes Opnav/Science Imaging (Single Session) May 01 121 FSW Patch 7.0.0 Impactor File Uplink May 02 122 FSW Patch 7.0.0 Impactor Install, ITS FSW Install May 03 123 Yes Update Set Points for HRI Sim Bench May 04 124 Yes TCM-3A May 05 125 Yes ITS-Star Tracker Cal, ITS Stray Light, Impactor and Flyby IMU-Star Tracker Cal, Impactor S-Band Downlink Test May 06 126 Daily Opnav/Science Imaging May 07 127 Daily Opnav/Science Imaging May 08 128 Science Cal Uplinks May 09 129 Science Cal Uplinks May 10 130 Yes Science Cal, Encounter Risk Review 2 May 11 131 Science Cal Uplinks May 12 132 Yes Science Cal Downlinks, ORT-10 May 13 133 Yes FSW Patch 7.0.1 Flyby, ORT-10 May 14 134 Yes Daily Opnav/Science Imaging, ORT-10 May 15 135 Daily Opnav/Science Imaging, Transition to 100 kbps Downlink, ORT-10 Uplinks May 16 136 Yes Daily Opnav/Science Imaging, ORT-10 May 17 137 Yes Daily Opnav/Science Imaging, ORT-10 May 18 138 Yes Daily Opnav/Science Imaging, ORT-10 May 19 139 Yes Opnav-ADCS (IMP) Attitude Estimation, IMP Star Tracker Masking Demo, IMP Time Correlation Packets May 20 140 Opnav-ADCS (IMP) Attitude Estimation May 21 141 Opnav-ADCS (IMP) Attitude Estimation May 22 142 Opnav-ADCS (IMP) Attitude Estimation May 23 143 Opnav-ADCS (IMP) Attitude Estimation May 24 144 Daily Opnav/Science Imaging May 25 145 VIS, IR LUT Updates, Daily Opnav/Science Imaging May 26 146 VIS, IR LUT Updates, Daily Opnav/Science Imaging May 27 147 VIS, IR LUT Updates, Daily Opnav/Science Imaging May 28 148 Daily Opnav/Science Imaging May 29 149 Daily Opnav/Science Imaging May 30 150 Opnav-ADCS (IMP) Attitude Estimation, Daily Opnav/Science Imaging May 31 151 Opnav-ADCS (IMP) Attitude Estimation, IMP TIB Setpoints, Daily Opnav/Science Imaging, IMP Time Correlation Packets Jun 01 152 Opnav-ADCS (IMP) Attitude Estimation, Daily Opnav/Science Imaging Jun 02 153 Autonav Eng. Imaging (MRI/HRI), Daily Opnav/Science Imaging Jun 03 154 FSW Patch 8.0.0 Flyby File Uplink and SCU-B Install Jun 04 155 Yes FSW Patch 8.0.0 Flyby SCU-A Install, Shield Mode Recovery Jun 05 156 Science Cal Uplinks, Daily Opnav/Science Imaging, Divert D.1 Design Jun 06 157 Science Cal, Divert D.1 Design Jun 07 158 Yes Science Cal, Albedo Selection Mini-ORT Jun 08 159 Science Cal Jun 09 160 Autonav Eng. Imaging (ITS), Daily Opnav/Science Imaging Jun 10 161 FSW Patch 8.0.0 Impactor Uplink and Install Jun 11 162 Daily Opnav/Science Imaging, FSW 8.0.0 Contingency Jun 12 163 Yes Daily Opnav/Science Imaging, FSW 8.0.0 Contingency, Transition to 40 kbps Downlink, ORT-11 Jun 13 164 Yes Science Mini-Cal, Daily Opnav/Science Imaging, ORT-11 Jun 14 165 Impactor TCM Catbed Heater Setpoints, Daily Opnav/Science Imaging Jun 15 166 IR LUT Update, Daily Opnav/Science Imaging Jun 16 167 Daily Opnav/Science Imaging Jun 17 168 Daily Opnav/Science Imaging Jun 18 169 Autonav Eng. Imaging (MRI/HRI), Daily Opnav/Science Imaging Jun 19 170 NVM Cleanup, Uplink Encounter Approach Products, Daily Opnav/Science Imaging Jun 20 171 FSW Patch 8.0.1 Flyby, Daily Opnav/Science Imaging Jun 21 172 FSW Patch 8.0.1 Impactor, Daily Opnav/Science Imaging Jun 22 173 TCM-3B Jun 23 174 Uplink Encounter Products, Daily Opnav/Science Imaging Jun 24 175 Impactor Checkout, Daily Opnav/Science Imaging Jun 25 176 Encounter Approach Background Sequence Activation, Encounter Critical Sequence Activation, Daily Opnav/Science Imaging Jun 26 177 Continuous Comet Imaging Jun 27 178 Continuous Comet Imaging Jun 28 179 Continuous Comet Imaging Jun 29 180 Continuous Comet Imaging Jun 30 181 Continuous Comet Imaging Jul 01 182 Continuous Comet Imaging Jul 02 183 Yes Continuous Comet Imaging, TCM-5, Impactor Separation, Flyby Divert Jul 03 184 Yes Impact! Jul 04 185 Yes Lookback Imaging Jul 05 186 Yes Post-Encounter Cleanup, Science Cal Uplinks Jul 06 187 Yes Science Cal Jul 07 188 Yes Science Cal Jul 08 189 Yes Science Cal Jul 09 190 Yes Science Cal Jul 10 191