About: Discoverer 18   Sponge Permalink

An Entity of Type : dbkwik:resource/G7YR4yAvfoe7I_ap4nmguQ==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

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.

AttributesValues
rdf:type
rdfs:label
  • Discoverer 18
rdfs:comment
  • 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.
sameAs
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
Harvard designation
  • 1960(xsd:integer)
spacecraft bus
spacecraft type
Name
  • Discoverer 18
Manufacturer
  • Lockheed
orbit period
  • 5556.0
orbit inclination
  • 81(xsd:double)
Operator
decay date
  • 1961-04-02(xsd:date)
launch site
Mission Type
  • Optical reconnaissance
apsis
  • gee
orbit regime
launch rocket
  • Thor DM-21 Agena-B 296
Launch date
  • --12-07
orbit reference
abstract
  • 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 kilometre (mi), an apogee of kilometre (mi), 81.4 degrees of inclination, and a period of 92.6 minutes. The satellite had a mass of kilogram (lb), and was equipped with a panoramic camera with a focal length of centimetre (in), which had a maximum resolution of metre (ft). Images were recorded onto -millimeter () 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.
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