🛰️ SATELLITE · HISTORICAL RECORD
TOS B
Retired 1968TOS B (NORAD 2657, COSPAR 1967-006A) is a retired US satellite, withdrawn from service around 5 May 1968, launched on 26 Jan 1967 on the TOS B mission.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 132 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1967
launched
1968
retired
59
years on orbit
132
kg mass
Lifecycle
Launched26 Jan 1967 · on the TOS B mission
Operational5 May 1968 · entered service
Retired5 May 1968 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID2657
COSPAR1967-006A
TypeSatellite
OperatorESSA
Country / StateUS
ManufacturerRCA
BusTiros I
Mass132 kg
ProgrammeTOS
CategoryMET
OrbitLEO (LEO/S)
Altitude1,326 × 1,441 km
Inclination102.0°
Frequently asked questions
What happened to TOS B?
TOS B was retired from service around 5 May 1968 after launching in 1967. It is no longer operational but remains catalogued.
Who operated and built TOS B?
TOS B 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.