🛰️ SATELLITE · HISTORICAL RECORD
US-A No. 318 ROCh
Retired 1975US-A No. 318 ROCh (NORAD 7718, COSPAR 1975-024A) is a retired SU satellite, withdrawn from service around 16 May 1975, launched on 2 Apr 1975 on the US-A reactor mission. It was operated by VMF as part of the US-A programme. The spacecraft was built by KOMET on the US-A reactor bus, with a mass of 1,150 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1975
launched
1975
retired
51
years on orbit
1,150
kg mass
Lifecycle
Launched2 Apr 1975 · on the US-A reactor mission
Operational16 May 1975 · entered service
Retired16 May 1975 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID7718
COSPAR1975-024A
TypeSatellite
OperatorVMF
Country / StateSU
ManufacturerKOMET
BusUS-A reactor
Mass1,150 kg
ProgrammeUS-A
CategorySIG
OrbitLEO (LLEO/I)
Altitude251 × 267 km
Inclination65.0°
Frequently asked questions
What happened to US-A No. 318 ROCh?
US-A No. 318 ROCh was retired from service around 16 May 1975 after launching in 1975. It is no longer operational but remains catalogued.
Who operated and built US-A No. 318 ROCh?
US-A No. 318 ROCh was operated by VMF and built by KOMET (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.