🛰️ SATELLITE · HISTORICAL RECORD
NNS O-1
Retired 1964NNS O-1 (NORAD 897, COSPAR 1964-063B) is a retired US satellite, withdrawn from service around 8 Oct 1964, launched on 6 Oct 1964 on the NNS O-1 mission. It was operated by BUWEPS as part of the NNS N programme. The spacecraft was built by NAFI on the Transit 5 bus, with a mass of 54 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1964
launched
1964
retired
62
years on orbit
54
kg mass
Lifecycle
Launched6 Oct 1964 · on the NNS O-1 mission
Operational8 Oct 1964 · entered service
Retired8 Oct 1964 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID897
COSPAR1964-063B
TypeSatellite
OperatorBUWEPS
Country / StateUS
ManufacturerNAFI
BusTransit 5
Mass54 kg
ProgrammeNNS N
CategoryNAV
OrbitLEO (LEO/P)
Altitude1,053 × 1,083 km
Inclination89.9°
Frequently asked questions
What happened to NNS O-1?
NNS O-1 was retired from service around 8 Oct 1964 after launching in 1964. It is no longer operational but remains catalogued.
Who operated and built NNS O-1?
NNS O-1 was operated by BUWEPS and built by NAFI (US).
Launched together
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.