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GEOS-3

GEOS-3 was a dedicated geodetic and ocean-altimetry mission that used precise tracking, laser reflectors, and radar altimetry to improve Earth geodesy and measurements of ocean surface topography.

GEOS-3
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Identity

Aliases
GEOS CGEOS-CGeodetic Earth Orbiting Satellite 31975-027A
Name
GEOS-3
Status
completed

Details

Astronauts
-
Description
GEOS-3 was a dedicated geodetic and ocean-altimetry mission that used precise tracking, laser reflectors, and radar altimetry to improve Earth geodesy and measurements of ocean surface topography.
Destination
Near-circular retrograde polar Earth orbit at approximately 840 km perigee and 860 km apogee (115° inclination; 102-minute period)
Launch Site
Programs
-
Start Date
1975-04-09
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Links

Official Url
https://ilrs.gsfc.nasa.gov/missions/satellite_missions/past_missions/geos_general.html

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Creation Time
August 14, 2026 at 22:39:11 UTC
Updated Time
August 23, 2026 at 02:46:50 UTC
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