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Solar Maximum Mission

Solar Maximum Mission
NamesSolarMax
SMM
Mission typeHeliophysics
OperatorNASA
COSPAR ID1980-014A Edit this at Wikidata
SATCAT no.11703
Websitehao.ucar.edu
Mission duration9 years, 9 months, 18 days
Spacecraft properties
BusMultimission Modular Spacecraft
ManufacturerFairchild Industries
Launch mass2,315 kg (5,104 lb)
Dimensions4 × 2.3 m (13.1 × 7.5 ft)
Start of mission
Launch date14 February 1980, 15:57:00 UTC
RocketDelta 3910
D-151
Launch siteCape Canaveral LC-17A
End of mission
DisposalDeorbited
Decay date2 December 1989
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Eccentricity0.00029
Perigee altitude508.0 km (315.7 mi)
Apogee altitude512.0 km (318.1 mi)
Inclination28.5 degrees
Period94.80 minutes
Mean motion15.19
Epoch14 February 1980, 15:57:00 UTC

The Solar Maximum Mission satellite (or SolarMax) was designed to investigate Solar phenomena, particularly solar flares. It was launched on February 14, 1980. The SMM was the first satellite based on the Multimission Modular Spacecraft bus manufactured by Fairchild Industries, a platform which was later used for Landsat 4 and Landsat 5[1] as well as the Upper Atmosphere Research Satellite.

After an attitude control failure in November 1980 it was put in standby mode until April 1984 when it was repaired by a Shuttle mission.

The Solar Maximum Mission ended on December 2, 1989, when the spacecraft re-entered the atmosphere and burned up over the Indian Ocean.[2]

  1. ^ Cite error: The named reference Suzuki_1999 was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference hao-smm was invoked but never defined (see the help page).

Solar Maximum Mission

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