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- Discoverer_18 abstract "Discoverer 18, also known as Corona 9013, was an American optical reconnaissance satellite which was launched in 1960. It was a KH-2 Corona satellite, based around an Agena-B.The launch of Discoverer 18 occurred at 20:20:58 UTC on 7 December 1960. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-4 at the Vandenberg Air Force Base. Upon successfully reaching orbit, it was assigned the Harvard designation 1960 Sigma 1.Discoverer 18 was operated in a low Earth orbit, with a perigee of 272 kilometres (169 mi), an apogee of 535 kilometres (332 mi), 81.4 degrees of inclination, and a period of 92.6 minutes. The satellite had a mass of 1,240 kilograms (2,730 lb), and was equipped with a panoramic camera with a focal length of 61 centimetres (24 in), which had a maximum resolution of 7.6 metres (25 ft). Images were recorded onto 70-millimeter (2.8 in) film, and returned in a Satellite Recovery Vehicle, which was recovered three days after the launch. The Satellite Recovery Vehicle used by Discoverer 18 was SRV-508. Following the return of its images, Discoverer 18 remained in orbit until it decayed on 2 April 1961. It was the first KH-2 satellite to complete its mission successfully.".
- Discoverer_18 thumbnail Thor_Agena_B_with_Discoverer_18_(Dec_7,_1960)_1.gif?width=300.
- Discoverer_18 wikiPageID "27862106".
- Discoverer_18 wikiPageRevisionID "588731439".
- Discoverer_18 apsis "gee".
- Discoverer_18 decayDate "1961-04-02".
- Discoverer_18 harvardDesignation "1960".
- Discoverer_18 hasPhotoCollection Discoverer_18.
- Discoverer_18 launchDate "--12-07".
- Discoverer_18 launchRocket "Thor DM-21 Agena-B 296".
- Discoverer_18 launchSite Vandenberg_Air_Force_Base.
- Discoverer_18 launchSite Vandenberg_AFB_Launch_Complex_75.
- Discoverer_18 manufacturer Lockheed_Corporation.
- Discoverer_18 missionType "Optical reconnaissance".
- Discoverer_18 name "Discoverer 18".
- Discoverer_18 operator National_Reconnaissance_Office.
- Discoverer_18 operator United_States_Air_Force.
- Discoverer_18 orbitInclination "81.4".
- Discoverer_18 orbitPeriod "5556.0".
- Discoverer_18 orbitReference Geocentric_orbit.
- Discoverer_18 orbitRegime Low_Earth_orbit.
- Discoverer_18 spacecraftBus RM-81_Agena.
- Discoverer_18 spacecraftType Corona_(satellite).
- Discoverer_18 subject Category:Spacecraft_launched_in_1960.
- Discoverer_18 subject Category:Spacecraft_which_reentered_in_1961.
- Discoverer_18 type ArtificialSatellite.
- Discoverer_18 type Satellite.
- Discoverer_18 type Thing.
- Discoverer_18 comment "Discoverer 18, also known as Corona 9013, was an American optical reconnaissance satellite which was launched in 1960. It was a KH-2 Corona satellite, based around an Agena-B.The launch of Discoverer 18 occurred at 20:20:58 UTC on 7 December 1960. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-4 at the Vandenberg Air Force Base.".
- Discoverer_18 label "Discoverer 18".
- Discoverer_18 label "Discoverer 18".
- Discoverer_18 label "Дискаверер-18".
- Discoverer_18 sameAs Discoverer_18.
- Discoverer_18 sameAs m.0cc8wr7.
- Discoverer_18 sameAs Q81861.
- Discoverer_18 sameAs Q81861.
- Discoverer_18 wasDerivedFrom Discoverer_18?oldid=588731439.
- Discoverer_18 depiction Thor_Agena_B_with_Discoverer_18_(Dec_7,_1960)_1.gif.
- Discoverer_18 isPrimaryTopicOf Discoverer_18.