🛰️ SATELLITE · HISTORICAL RECORD
Geos B
Retired 1973Geos B (NORAD 3093, COSPAR 1968-002A) is a retired US satellite, withdrawn from service around 27 Mar 1973, launched on 11 Jan 1968 on the Geos B mission. It was operated by GSFC as part of the Explorer BE programme. The spacecraft was built by APL on the ANNA bus, with a mass of 212 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1968
launched
1973
retired
58
years on orbit
212
kg mass
Lifecycle
Launched11 Jan 1968 · on the Geos B mission
Operational27 Mar 1973 · entered service
Retired27 Mar 1973 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID3093
COSPAR1968-002A
TypeSatellite
OperatorGSFC
Country / StateUS
ManufacturerAPL
BusANNA
Mass212 kg
ProgrammeExplorer BE
CategoryGEOD
OrbitLEO (LEO/R)
Altitude1,084 × 1,573 km
Inclination105.8°
Frequently asked questions
What happened to Geos B?
Geos B was retired from service around 27 Mar 1973 after launching in 1968. It is no longer operational but remains catalogued.
Who operated and built Geos B?
Geos B was operated by GSFC and built by APL (US).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.