🛰️ SATELLITE · HISTORICAL RECORD
TOS G
Retired 1973TOS G (NORAD 3764, COSPAR 1969-016A) is a retired US satellite, withdrawn from service around 15 Nov 1973, launched on 26 Feb 1969 on the TOS G mission. It was operated by ESSA as part of the TOS programme. The spacecraft was built by RCA on the Tiros I bus, with a mass of 157 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1969
launched
1973
retired
57
years on orbit
157
kg mass
Lifecycle
Launched26 Feb 1969 · on the TOS G mission
Operational15 Nov 1973 · entered service
Retired15 Nov 1973 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID3764
COSPAR1969-016A
TypeSatellite
OperatorESSA
Country / StateUS
ManufacturerRCA
BusTiros I
Mass157 kg
ProgrammeTOS
CategoryMET
OrbitLEO (LEO/S)
Altitude1,425 × 1,506 km
Inclination101.8°
Frequently asked questions
What happened to TOS G?
TOS G was retired from service around 15 Nov 1973 after launching in 1969. It is no longer operational but remains catalogued.
Who operated and built TOS G?
TOS G was operated by ESSA and built by RCA (US).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.