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| Phase | Region | Timeline Files from S. Petrinec | Additional Notes | |
Year 5
| Extended Mission Year 3 Phase 5a: | 29 RE Dusk Flank | MMS_EM5A_orbits_20190821.pptx timelines_orbs1046_1061.pdf fast_mode_times_agse1_EM5A.dat ← offsets submitted | 3 SROI 11/28-11/30 formation resize to <20km> 11/26 330 - 34% moon shadow |
| Phase 5b: ~11/24/2019 - 04/23/20Ext 5B - | 29 RE Dayside | MMS_Ph5B_ConOps_20191029.pptx | 3 SROI Parker Solar Probe perihelion alignment 12/27 361 - 73% moon shadow - timeline Solar Wind SROI: FPI electrons: 4eV-940eV / FPI ions: 197eV-9222eV | |
Phase 5c: | 29 RE Dawn Flank | Formation resize to 40km: planned for 4/14-16/2020 | ||
Phase 5d: | 29 RE Nightside | Long Eclipses (~5.124 hr): 8/13/2020 and 8/17/2020 | ||
| Extended Mission Year 2 Ext Phase 4a – Sept 28, 2018 | 25RE Dusk Flank (Dwell time outside BS (0.3 nPa < 10 hrs) | MMS_4A_SROIs_v2.pptx | 3 SROI | |
| Ext Phase 4b – Nov 29, 2018 | 25RE Dayside (Dwell time outside BS (0.3 nPa) > 10 hrs) | before apogee raise: MMS_half4B_SROIs_v2.pptx Ref: from Ergun --> guidelines for Solar Wind Turbulence Campaign | 3 SROI Apogee raise to 29RE Solar Wind Turbulence Campaign | |
| Ext Phase 4c - ~April 16, 2019 - ~June 28, 2019 | 29RE Dawn Flank (Dwell time outside BS (2.3 nPa) < 10 hrs) | 3 SROI | ||
| Ext Phase 4d - ~June 29, 2019 - ~July 25, 2019 | 1st 29RE Nightside (Apogee within avg. MP (~2.3 nP)) | MMS_EM4D_orbits_20190520.pptx | 3 SROI 2019-155-4Jun-09:17:13.29495 MMS3 Processor reset | |
Year 3
| Extended Mission Year 1 Phase 3a – Sept 1, 2017 | 25RE Dusk Flank | MMS_3a_SROIs_792-817_dusk_timelines.pdf | 1 SROI |
Ext Phase 3b – Nov 14, 2017 | 25RE Dayside | MMS_3b_SROIs_818-860_dayside_timelines.pdf | 3 SROI, 1st use of SW modes | |
| Ext Phase 3c – Mar 13, 2018 | 25RE Dawn Flank | 3 SROI | ||
Ext Phase 3d – May 25, 2018 | 2nd 25RE Nightside | MMS_3d_SROIs_886_930_mtail_timelines.pdf | 3 SROI | |
Year 2 | Prime Mission Phase 2a – January 31, 2017 | Apogee raise, Dawn | No FPI ops | |
| Prime Mission Phase 2b – May 1, 2017 | 1st 25RE Nightside Completion of Prime Mission | MMS_2b_SROIs_748-793_mtail_timelines.pdf | 1 SROI | |
Year 1 | Prime Mission Phase 1a – September 1, 2015 | 1st 12RE Dayside | 60 km DOY 259/260 (Sept 16/17) 25 km DOY 273/274 (Sept 30/Oct 1) 10 km DOY 287/288 (Oct 14/15) | |
| Prime Mission Phase 1x – March 8, 2016 | 12RE Dawn, Nightside, Dusk | No FPI Ops | ||
Prime Mission | 2nd 12RE Dayside | |||
 MMS_2015Orbits_GSE.jpg | Commissioning – March 15, 2015 | Nightside --> Dusk Flank | 160 km DOY 188/190 (July 7/9) Selected datasets only |
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