🛰️ SATELLITE · HISTORICAL RECORD
Ekran No. 11L
Retired 1978Ekran No. 11L (NORAD 9503, COSPAR 1976-107A) is a retired SU satellite, withdrawn from service around 1 Aug 1978, launched on 26 Oct 1976 on the Ekran No. 11L mission. It was operated by MSVYAZ as part of the Ekran programme. The spacecraft was built by OKB10 on the Ekran bus, with a mass of 2,000 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1976
launched
1978
retired
50
years on orbit
2,000
kg mass
Lifecycle
Launched26 Oct 1976 · on the Ekran No. 11L mission
Operational1 Aug 1978 · entered service
Retired1 Aug 1978 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID9503
COSPAR1976-107A
TypeSatellite
OperatorMSVYAZ
Country / StateSU
ManufacturerOKB10
BusEkran
Mass2,000 kg (1,850 kg dry)
ProgrammeEkran
CategoryCOM
OrbitGEO (GEO/S)
Altitude35,532 × 36,042 km
Inclination0.1°
Frequently asked questions
What happened to Ekran No. 11L?
Ekran No. 11L was retired from service around 1 Aug 1978 after launching in 1976. It is no longer operational but remains catalogued.
Who operated and built Ekran No. 11L?
Ekran No. 11L was operated by MSVYAZ and built by OKB10 (SU).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.