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ITOS G

Retired 1978

ITOS G (NORAD 7529, COSPAR 1974-089A) is a retired US satellite, withdrawn from service around 18 Nov 1978, launched on 15 Nov 1974 on the ITOS G mission. It was operated by NOAA as part of the ITOS programme. The spacecraft was built by RCA on the Tiros M bus, with a mass of 345 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1974
launched
1978
retired
52
years on orbit
345
kg mass

Lifecycle

Launched15 Nov 1974 · on the ITOS G mission
Operational18 Nov 1978 · entered service
Retired18 Nov 1978 · end of operational service
StatusOn orbit (not live-tracked)

Specifications

NORAD ID7529
COSPAR1974-089A
TypeSatellite
OperatorNOAA
Country / StateUS
ManufacturerRCA
BusTiros M
Mass345 kg
ProgrammeITOS
CategoryMET
OrbitLEO (LEO/S)
Altitude1,445 × 1,460 km
Inclination101.7°

Frequently asked questions

What happened to ITOS G?

ITOS G was retired from service around 18 Nov 1978 after launching in 1974. It is no longer operational but remains catalogued.

Who operated and built ITOS G?

ITOS G was operated by NOAA and built by RCA (US).

Launched together

OSCAR 7NORAD 7530IntasatNORAD 7531
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.