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OAO
OAO
OAO
Orbiting Astronomical Observatory
Credit: NASA
American visible astronomy satellite.

AKA: Orbiting Astronomical Observatory. Status: Operational 1966. First Launch: 1966-04-08. Last Launch: 1972-08-21. Number: 4 . Gross mass: 2,027 kg (4,468 lb).

Family: Astronomy, Medium earth orbit, Visible astronomy satellite. Country: USA. Launch Vehicles: Atlas, Atlas SLV-3 Agena D, Atlas SLV-3C Centaur. Launch Sites: Cape Canaveral, Cape Canaveral LC12, Cape Canaveral LC36B. Agency: NASA. More at: 11551, 12893, 12894, 12895, 12896. Bibliography: 126, 2, 278, 3984, 3985, 3986, 6.


Photo Gallery

OAO 1OAO 1
Credit: Manufacturer Image


OAO 2OAO 2
Credit: Manufacturer Image


OAO 3OAO 3
Credit: Manufacturer Image


OAO-BOAO-B
Credit: Manufacturer Image



1966 April 8 - . 19:35 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC12. LV Family: Atlas. Launch Vehicle: Atlas SLV-3 Agena D.
  • OAO 1 - . Payload: OAO A1. Mass: 1,774 kg (3,911 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft Bus: OAO. Spacecraft: OAO. USAF Sat Cat: 2142 . COSPAR: 1966-031A. Apogee: 793 km (492 mi). Perigee: 783 km (486 mi). Inclination: 35.0000 deg. Period: 100.60 min. Orbiting Astronomical Observatory. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

1968 December 7 - . 08:40 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas SLV-3C Centaur.
  • OAO 2 - . Payload: OAO A2. Mass: 2,012 kg (4,435 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft Bus: OAO. Spacecraft: OAO. USAF Sat Cat: 3597 . COSPAR: 1968-110A. Apogee: 758 km (470 mi). Perigee: 749 km (465 mi). Inclination: 35.0000 deg. Period: 99.90 min.

    Orbiting Astronomical Observatory; carried 11 telescopes; performed X-ray, UV, IR observations of stars. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Launch vehicle put payload into geosynchronous transfer orbit


1970 November 30 - . 22:40 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas SLV-3C Centaur. FAILURE: Shroud failed to separate.. Failed Stage: S.
  • OAO-B - . Payload: OAO B. Mass: 2,121 kg (4,676 lb). Nation: USA. Agency: NASA. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft Bus: OAO. Spacecraft: OAO. Decay Date: 1970-11-30 . COSPAR: F701130A. Orbiting Astronomical Observatory. Launch vehicle was to have put payload into geosynchronous transfer orbit.

1972 August 21 - . 10:28 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas SLV-3C Centaur.
  • OAO 3 - . Payload: OAO-C. Mass: 2,204 kg (4,858 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft Bus: OAO. Spacecraft: OAO. USAF Sat Cat: 6153 . COSPAR: 1972-065A. Apogee: 724 km (449 mi). Perigee: 713 km (443 mi). Inclination: 35.0000 deg. Period: 99.20 min. UV observations of stellar objects. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). Launch vehicle put payload into geosynchronous transfer orbit.


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