🛰️ SATELLITE · HISTORICAL RECORD
NNS O-9
Retired 1967NNS O-9 (NORAD 2176, COSPAR 1966-041A) is a retired US satellite, withdrawn from service around 1 Mar 1967, launched on 19 May 1966 on the NNS O-9 mission.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 51 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1966
launched
1967
retired
60
years on orbit
51
kg mass
Lifecycle
Launched19 May 1966 · on the NNS O-9 mission
Operational1 Mar 1967 · entered service
Retired1 Mar 1967 · end of operational service
StatusOn orbit (not live-tracked)
Specifications
NORAD ID2176
COSPAR1966-041A
TypeSatellite
OperatorNAVAIR
Country / StateUS
ManufacturerAPL
BusTransit 5
Mass51 kg
ProgrammeNNS A
CategoryNAV
OrbitLEO (LEO/P)
Altitude857 × 981 km
Inclination90.0°
Frequently asked questions
What happened to NNS O-9?
NNS O-9 was retired from service around 1 Mar 1967 after launching in 1966. It is no longer operational but remains catalogued.
Who operated and built NNS O-9?
NNS O-9 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.