🛰️ SATELLITE · HISTORICAL RECORD
Gran' No. 11L
Retired 1978Gran' No. 11L (NORAD 8513, COSPAR 1975-123A) is a retired SU satellite, withdrawn from service around 1 Jul 1978, launched on 22 Dec 1975 on the Gran' No. 11L mission. It was operated by GUKOSR as part of the Raduga programme. The spacecraft was built by OKB10 on the Raduga bus, with a mass of 1,965 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1975
launched
1978
retired
51
years on orbit
1,965
kg mass
Lifecycle
Launched22 Dec 1975 · on the Gran' No. 11L mission
Operational1 Jul 1978 · entered service
Retired1 Jul 1978 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID8513
COSPAR1975-123A
TypeSatellite
OperatorGUKOSR
Country / StateSU
ManufacturerOKB10
BusRaduga
Mass1,965 kg (1,800 kg dry)
ProgrammeRaduga
CategoryCOM
OrbitGEO (GEO/S)
Altitude35,704 × 35,865 km
Inclination1.5°
Frequently asked questions
What happened to Gran' No. 11L?
Gran' No. 11L was retired from service around 1 Jul 1978 after launching in 1975. It is no longer operational but remains catalogued.
Who operated and built Gran' No. 11L?
Gran' No. 11L was operated by GUKOSR and built by OKB10 (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.