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GALEX
retired
Science Exploration
LEO
COSPAR 2003-017A
Launched 4/28/2003
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Mission & Launch
Launch Mission
GALEX Mission
Launch Vehicle
Pegasus XL
Launch Date
4/28/2003
Last Contact
6/28/2013
Orbit & Mass
Orbit Class
LEO
Altitude
696.5 km
Inclination
29 deg
Dry Mass
280 kg
Total Mass
280 kg
Payload Classification
Mission Type
Science Exploration
Payload Category
AST
Payload Class
C
Organizations
Operator
NASA Goddard Space Flight Center
Manufacturer
Northrop Grumman
Registry
COSPAR ID
2003-017A
UN Registration
ST/SG/SER.E/434
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1
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Pegasus delivered the GALEX, NuSTAR, IRIS, CYGNSS, ICON, and IXPE missions.
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Value 4.0
Jul 13, 2026
Air Launch Died the Same Week Responsive Space Arrived