NASA’s Magnetospheric Multiscale mission has broken Guinness World Record

NASA’s Magnetospheric Multiscale (MMS) mission has broken a new record in the Guinness Word Record as the highest altitude fix of GPS signal. The mission began with the launch of 4 identical satellites on March 12, 2015.  (Peter Macdiarmid / Getty Images)
NASA’s Magnetospheric Multiscale (MMS) mission has broken a new record in the Guinness Word Record as the highest altitude fix of GPS signal. The mission began with the launch of 4 identical satellites on March 12, 2015.
(Peter Macdiarmid / Getty Images)

NASA’s Magnetospheric Multiscale mission, or MMS, is breaking records.

MMS now holds the Guinness World Record for highest altitude fix of a GPS signal. Operating in a highly elliptical orbit around Earth, the MMS satellites set the record at 43,500 miles above the surface.

The four MMS spacecraft incorporate GPS measurements into their precise tracking systems, which require extremely sensitive position and orbit calculations to guide tight flying formations.

Earlier this year, MMS achieved the closest flying separation of a multi-spacecraft formation with only four-and-a-half miles between the four satellites. When the satellites are closest to Earth, they move at up to 22,000 miles per hour, making them the fastest known operational use of a GPS receiver.

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