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MMS Launched on March 12, 2015 at 10:44pm.

MMS Launched on March 12, 2015 at 10:44pm.
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Magnetospheric Multiscale (MMS) Mission Weekly Report – June 25, 2015

Mission Phase: Phase D-Commissioning

  • MMS has exited the long eclipse period at apogee which extended thru June 21. Spacecraft power and thermal performance is well within predictions during the long shadows. Instrument commissioning activities were largely stood-down as planned during the eclipse period.
  • MMS Instruments have been activated and commissioning activities are resuming.


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03.12.15Launch Begins MMS Mission in Spectacular Fashion
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03.10.15Studying Magnetic Reconnection Near Earth
02.25.15Pre-Launch Briefing for the MMS Mission

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All 4 Spacecraft

All 4 MMS spacecraft  disassembled.Look at some photos of the MMS spacecraft getting stacked and ready for environmental tests. Although they will be disassembled again later, these images are a preview of what will be the final flight configuration of the MMS fleet.
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Observatory Integration

OBS3 image 2

MMS Spacecraft in formation

Earth’s magnetosphere
as a laboratory to study
the microphysics of
magnetic reconnection

Related Sites


This animation shows the orbits of Magnetospheric Multiscale mission.

MMS Orbit Animation

This animation shows the orbits of Magnetospheric Multiscale (MMS) mission, a Solar Terrestrial Probes mission comprising of four identically instrumented spacecraft that will study the Earth’s magnetosphere.

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MMS Launch Party Kit Link Page

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