🛰️ SATELLITE · HISTORICAL RECORD
NNS O-12
Retired 1981NNS O-12 (NORAD 2754, COSPAR 1967-034A) is a retired US satellite, withdrawn from service around 1 Jan 1981, launched on 14 Apr 1967 on the NNS O-12 mission. It was operated by NAVAIR as part of the NNS A programme. The spacecraft was built by APL on the Transit 5 bus, with a mass of 50 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1967
launched
1981
retired
59
years on orbit
50
kg mass
Lifecycle
Launched14 Apr 1967 · on the NNS O-12 mission
Operational20 Nov 1979 · entered service
Retired1 Jan 1981 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID2754
COSPAR1967-034A
TypeSatellite
OperatorNAVAIR
Country / StateUS
ManufacturerAPL
BusTransit 5
Mass50 kg
ProgrammeNNS A
CategoryNAV
OrbitLEO (LEO/P)
Altitude1,048 × 1,081 km
Inclination90.3°
Frequently asked questions
What happened to NNS O-12?
NNS O-12 was retired from service around 1 Jan 1981 after launching in 1967. It is no longer operational but remains catalogued.
How long was NNS O-12 operational?
NNS O-12 was operational for roughly 13 months, from 20 Nov 1979 to 1 Jan 1981.
Who operated and built NNS O-12?
NNS O-12 was operated by NAVAIR and built by APL (US).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.