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TOS C

Retired 1970

TOS C (NORAD 2757, COSPAR 1967-036A) is a retired US satellite, withdrawn from service around 20 Feb 1970, launched on 20 Apr 1967 on the TOS C mission.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 147 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1967
launched
1970
retired
59
years on orbit
147
kg mass

Lifecycle

Launched20 Apr 1967 · on the TOS C mission
Operational20 Feb 1970 · entered service
Retired20 Feb 1970 · end of operational service
StatusOn orbit (not live-tracked)

Specifications

NORAD ID2757
COSPAR1967-036A
TypeSatellite
OperatorESSA
Country / StateUS
ManufacturerRCA
BusTiros I
Mass147 kg
ProgrammeTOS
CategoryMET
OrbitLEO (LEO/S)
Altitude1,356 × 1,422 km
Inclination101.9°

Frequently asked questions

What happened to TOS C?

TOS C was retired from service around 20 Feb 1970 after launching in 1967. It is no longer operational but remains catalogued.

Who operated and built TOS C?

TOS C 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.