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OV3-4

Retired 1968

OV3-4 (NORAD 2201, COSPAR 1966-052A) is a retired US satellite, withdrawn from service around 1 Jan 1968, launched on 10 Jun 1966 on the OV3-4 PHASR mission. It was operated by OAR as part of the OV3 programme. The spacecraft was built by SPG on the OV3 bus, with a mass of 78 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1966
launched
1968
retired
60
years on orbit
78
kg mass

Lifecycle

Launched10 Jun 1966 · on the OV3-4 PHASR mission
Operational1 Jan 1968 · entered service
Retired1 Jan 1968 · end of operational service
StatusOn orbit (not live-tracked)

Specifications

NORAD ID2201
COSPAR1966-052A
TypeSatellite
OperatorOAR
Country / StateUS
ManufacturerSPG
BusOV3
Mass78 kg
ProgrammeOV3
CategoryTECH
OrbitMEO (MEO)
Altitude644 × 4,730 km
Inclination40.8°

Frequently asked questions

What happened to OV3-4?

OV3-4 was retired from service around 1 Jan 1968 after launching in 1966. It is no longer operational but remains catalogued.

Who operated and built OV3-4?

OV3-4 was operated by OAR and built by SPG (US).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.