Resources and notes on MMS Operations through the years. Teams members are welcome to add additional notes as they deem helpful.

Contents

Current Year

Year 5: 1 Sept 2019 - 30 Sept 2020

	Phase	Region	Timeline Files from S. Petrinec ^{These are planning files, not actuals}	Additional Notes
Year 5 ^{MMS_Year5_Orbits&Phases.png}	Extended Mission Year 3 Phase 5a: ~09/30/1019 - 11/24/2019	29 R_E Dusk Flank	MMS_EM5A_orbits_20190821.pptx timelines_orbs1046_1061.pdf fast_mode_times_agse1_EM5A.dat ← offsets submitted	3 SROI
	Phase 5b: ~11/24/2019 - 04/23/2020	29 R_E Dayside	MMS_Ph5B_ConOps_20191029.pptx	3 SROI Parker Solar Probe perihelion alignment 11/28-11/30 - formation resize to <20km> 11/26 (DOY 330) - 34% moon shadow 12/27 (DOY 361) - 73% moon shadow - timeline Solar Wind SROI: FPI electrons: 4eV-940eV / FPI ions: 197eV-9222eV
	Phase 5c: ~04/23/2020 - 06/19/2020	29 R_E Dawn Flank	MMS_Ph5C_ConOps_20200227.pptx	Formation resize to 40km: planned for 4/14-16/2020
	Phase 5d: ~06/22/2020 - 10/02/2020	29 R_E Nightside	MMS_Ph5D_ConOps_20200519.pptx	Long Eclipses (~5.124 hr): 8/13/2020 and 8/17/2020

Previous Years

Year 4: 1 Sept 2018 - 30 Aug 2019	Phase	Region	Timeline Files from S. Petrinec ^{These are the planning files, not actuals}	Additional Notes
Year 4 ^{MMS_Year4_Orbits&Phases.png MMS_2019Orbits_GSE.tiff} ^{SWCampaign_timeline.jpeg}	Extended Mission Year 2 Phase 4a: September 28, 2018	25R_E Dusk Flank ^{(Dwell time outside BS (0.3 nPa < 10 hrs)}	MMS_4A_SROIs_v2.pptx	3 SROI 20 km Oct 18
	Phase 4b: November 29, 2018	25R_E Dayside ^{(Dwell time outside BS (0.3 nPa) > 10 hrs)}	before apogee raise: MMS_half4B_SROIs_v2.pptx after apogee raise: MMS_4B_turbulencecampaign_SROIs_Final.pptx + timeline charts ^{Ref: from Ergun --> guidelines for Solar Wind Turbulence Campaign}^{Ref: from MOC --> TurbulenceCampaignFinalDates.ppt}	3 SROI Apogee raise to 29R_E20 km Mar 13 Solar Wind Turbulence Campaign
	Phase 4c: ~April 16, 2019 - ~June 28, 2019	29R_E Dawn Flank ^{(Dwell time outside BS (2.3 nPa) < 10 hrs)}	MMS_proposed_SROIs_EM4C_26mar2019.zip	3 SROI 40 km May 22
	Phase 4d: ~June 29, 2019 - ~September 29, 2019	1st 29R_E Nightside ^{(Apogee within avg. MP (~2.3 nP))}	MMS_EM4D_orbits_20190520.pptx	3 SROI 06/04/2019 (DOY 155) 09:17:13.29495 - MMS3 Processor reset 30 km Sep 8

Year 3 MMS_Year3_Orbits&Phases.png	Extended Mission Year 1 Phase 3a: September 1, 2017	25R_E Dusk Flank	MMS_3a_SROIs_792-817_dusk_timelines.pdf	1 SROI Perigee Raise Oct 3 30 km Oct 11 20 km Nov 8
	Phase 3b: November 14, 2017	25R_E Dayside	MMS_3b_SROIs_818-860_dayside_timelines.pdf	3 SROI, 1st use of SW modes
	Phase 3c: March 13, 2018	25R_E Dawn Flank	MMS_orbs_860_885_mp_timelines.pdf xy_aGSE_orb_EMC_mp_bs_sw_final.png	3 SROI 40 km May 16
	Phase 3d: May 25, 2018	2nd 25R_E Nightside	MMS_3d_SROIs_886_930_mtail_timelines.pdf	3 SROI

Year 2 ^{MMS_2017Orbits_GSE.png}	Prime Mission Phase 2a: January 31, 2017	Apogee raise, Dawn	No science ROIs planned in Phase 2A	No FPI ops 60 km Feb 1 Apogee Raise Feb 9 160 km Apr 26
Year 2 ^{MMS_2017Orbits_GSE.png}	Phase 2b: May 1, 2017	1st 25R_E Nightside Completion of Prime Mission	MMS_2b_SROIs_748-793_mtail_timelines.pdf	1 SROI 60 km May 18 30 km Jun 1 20 km Jun 29

Year 1 ^{MMS_2016Orbits_GSE.jpg}	Prime Mission Phase 1a: September 1, 2015	1st 12R_E Dayside	Petrinic_UPDATE_Sliding_ROI_timelines_ph1a.pdf	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) 40 km Dec 16 10 km Jan 13
	Phase 1x: March 8, 2016	12R_EDawn, Nightside, Dusk	No science ROIs planned in Phase 1x	No FPI Ops 40 km Mar 24 10 km Sep 1
	Phase 1b: Sept 12, 2016	2nd 12R_E Dayside	MMS_ph1b_avg13.5hr_pref1_v2.pdf	7 km Sep 15

^{MMS_2015Orbits_GSE.jpg}	Commissioning: March 15, 2015	Nightside --> Dusk Flank		160 km DOY 188/190 (July 7/9) Selected datasets only BBF campaign