API VERSION: 1.2
API SOURCE: NASA/JPL Horizons API

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 Revised: Jul 14, 2025            GALEX Space Telescope                 -127783
                        http://www.galex.caltech.edu/index.html
 
 NOTE: GALEX was decommissioned September 30, 2011 and is no longer active.
 
 BACKGROUND:
   Launched: April 28, 2003 8 a.m. (EDT) [Pegasus rocket]
 
   The GALEX mission is a partnership between the California Institute of
   Technology (Caltech) and NASA's Jet Propulsion Laboratory (JPL) with
   universities, science institutes, laboratories, and commercial technology
   providers from around the world. Caltech hosts the GALEX science center
   and has overall responsibility for the project.  JPL constructed the
   GALEX science instrument, performed calibration, and is responsible for
   project management. Leading the GALEX project is the principal investigator,
   professor Chris Martin, of Caltech.
 
 GALEX SPACE TELESCOPE:
   Galaxy Evolution Explorer: Earth orbiting space telescope observing galaxies
   in ultraviolet wavelengths to investigate the causes and evolution of star
   formation over the history of the universe.
 
   With an original 29-month mission complete, mission was extended in 2006.
 
 PHYSICAL DATA:
   Length      : 2 m (6.5 feet)
   Weight      : 280 kg (617 lbs)
 
   Width (solar panels unfurled): 2.8 m (9   ft)
   Width (launch configuration) : 1.1 m (3.7 ft)
 
   Battery lifetime (projected): 12 years
   Orbit stability             : 25 years (post-launch)
 
 DATA RELEASE:
   http://galex.stsci.edu/GR4/
 
 SPACECRAFT TRAJECTORY:
   The trajectory here is a concatenation of publicly released JSpOC two-line
   elements. These can usually only be propagated reliably "days" into the
   future, so have to be updated fairly frequently to maintain accuracy.
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No ephemeris for target "GALEX (spacecraft)" after A.D. 2025-JUL-14 10:44:35.0817 UT