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// space science · 1985

Geosat

U.S. Navy Earth observation satellite. Geosat was launched on March 13, 1985 aboard a Atlas E/OIS from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 1985-021ANORAD 15595United States

Identity

Name in GCAT
Geosat 1
Common name
Geosat
Payload designation
Geosat
International designator
1985-021A
NORAD catalog number
15595
GCAT identifier
S15595
UN registration
ST/SG/SER.E/126

Mission

Mission type
Space science
Use
Civil government
Program
Geosat
Owner
USN NAVAIR
Country
United States
Builder
JHU-Applied Physics Lab
Platform (bus)
Geosat

Launch

Date
March 13, 1985 · 02:00 UTC
Launch record
1985-021Success
Rocket
Atlas E/OIS
Spaceport
Vandenberg · pad SLC3W

Orbit and fate

Orbit class (GCAT)
LEO/R
Perigee
784 km
Apogee
788 km
Inclination
108.04°
Status
In orbit
Last known active
February 2023
End of operations
Jan 5, 1990

Size

Mass
636 kg
Dry mass
598 kg
Length
1.2 m
Diameter
1.10 m
Span
7.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q49959 (CC0).