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OV3

OV3 [USAF]

The OV3 (Orbiting Vehicle 3) series were experimental satellites based on an octagonal bus structure. These were the only in the OV series launched on dedicated launchers.

Payloads:

  • OV3 1: Radiation belt particle and fields experiments (reflights of OV2 1 experiments)
  • OV3 2: Low energy radiation belt particles experiments, mass spectrometer, parallel plate retarding-potential analyser, electrostatic analyser, Langmuir probe, triaxial magnetometer
  • OV3 3: Radiation belt particle and fields experiments, Faraday cup, 2 directional telescopes, 3 spectrometers, magnetometer, VLF receiver (reflights of OV2 1 experiments)
  • OV3 4: 6 Tissue equicalent ion chambers, 2 five-channell spectrometers, 2 charged particle spectrometers, magnetometer
  • OV3 5: 2 mass spectrometers (neutal and ionised atmospheric particles), 3 cold cathode ionisation gauges, 2 boom mounted rf impedance probes
  • OV3 6: 2 mass spectrometers (neutal and ionised atmospheric particles), 3 cold cathode ionisation gauges, 2 boom mounted rf impedance probes

OV3 4 was also called PHASR (Personal Hazards Associated with Space Radiation) and OV3 5 and OV3 6 were called ATCOS (Atmospheric Composition Satellite).

Nation: USA
Type / Application: Experimental
Operator: USAF
Contractors: Aerojet (#1 - 4); AFCRL (#5 - 6)
Equipment: see above
Configuration: Aerojet GUS (General Utility Satellite)
Propulsion:
Power: Solar cells, batteries
Lifetime:
Mass:
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
OV3 1 1966-034A 22.04.1966 Va PALC-D Scout-B
OV3 2 1966-097A 28.10.1966 Va SLC-5 Scout-B
OV3 3 1966-070A 04.08.1966 Va SLC-5 Scout-B
OV3 4 (PHASR) 1966-052A 10.06.1966 WI LA-3 Scout-B
OV3 5 (ATCOS 1) 1967-F01 31.01.1967 Va SLC-5 F Scout-B
OV3 6 (ATCOS 2) 1967-120A 05.12.1967 Va SLC-5 Scout-B

References:

  • Directory of U.S. Military Rockets and Missiles: Orbiting Vehicle (OV)
  • J. W. Powell and G. R. Richards, “The Orbiting Vehicle series of satellites”, Journal of the British Interplanetary Society, Volume 40, pp.417-426, 1987.