🛰️ SATELLITE · HISTORICAL RECORD
P-226 No. 1
Retired 1980P-226 No. 1 (NORAD 7937, COSPAR 1975-051C) is a retired US satellite, withdrawn from service around 1 Jan 1980, launched on 8 Jun 1975 on the HEXAGON SV-10 mission. It was operated by NRO / SAFSP as part of the P226 programme. The spacecraft was built by LMSC on the SSU C bus, with a mass of 200 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1975
launched
1980
retired
51
years on orbit
200
kg mass
Lifecycle
Launched8 Jun 1975 · on the HEXAGON SV-10 mission
Operational1 Jan 1980 · entered service
Retired1 Jan 1980 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID7937
COSPAR1975-051C
TypeSatellite
OperatorNRO / SAFSP
Country / StateUS
ManufacturerLMSC
BusSSU C
Mass200 kg (190 kg dry)
ProgrammeP226
CategorySIG
OrbitLEO (LEO/S)
Altitude1,387 × 1,397 km
Inclination95.1°
Frequently asked questions
What happened to P-226 No. 1?
P-226 No. 1 was retired from service around 1 Jan 1980 after launching in 1975. It is no longer operational but remains catalogued.
Who operated and built P-226 No. 1?
P-226 No. 1 was operated by NRO / SAFSP and built by LMSC (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.