HomeLibraryRe-entered SatellitesTiros OT2
🛰️ SATELLITE · HISTORICAL RECORD

Tiros OT2

Retired 1970

Tiros OT2 (NORAD 2091, COSPAR 1966-016A) is a retired US satellite, withdrawn from service around 17 Oct 1970, launched on 28 Feb 1966 on the Tiros OT2 mission.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 130 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1966
launched
1970
retired
60
years on orbit
130
kg mass

Lifecycle

Launched28 Feb 1966 · on the Tiros OT2 mission
Operational17 Oct 1970 · entered service
Retired17 Oct 1970 · end of operational service
StatusOn orbit (not live-tracked)

Specifications

NORAD ID2091
COSPAR1966-016A
TypeSatellite
OperatorESSA
Country / StateUS
ManufacturerRCA
BusTiros I
Mass130 kg
ProgrammeTOS
CategoryMET
OrbitLEO (LEO/S)
Altitude1,357 × 1,414 km
Inclination101.0°

Frequently asked questions

What happened to Tiros OT2?

Tiros OT2 was retired from service around 17 Oct 1970 after launching in 1966. It is no longer operational but remains catalogued.

Who operated and built Tiros OT2?

Tiros OT2 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.