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Wide Field Infrared Explorer

Wide Field Infrared Explorer

Orbiter
Wide-field Infrared Explorer was a NASA satellite launched on 5 March 1999, on the Pegasus XL launch vehicle into polar orbit between 409 and 426 km above the surface of Earth. Wikipedia
Launch date: March 5, 1999
Launch mass: 250 kg (550 lb)
Mission duration: 4 months (planned); 1 year, 4 months, 10 days (achieved)
Rocket: Pegasus XL (F26)
Spacecraft: Explorer LXXV