About: Discoverer 25   Sponge Permalink

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

Discoverer 25, also known as Corona 9017, was an American optical reconnaissance satellite which was launched in 1961. It was a KH-2 Corona' satellite, based on an Agena-B. The launch of Discoverer 25 occurred at 23:02 UTC on 16 June 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-1-1 at the Vandenberg Air Force Base. Upon successfully reaching orbit, it was assigned the Harvard designation 1961 Xi 1.

AttributesValues
rdf:type
rdfs:label
  • Discoverer 25
rdfs:comment
  • Discoverer 25, also known as Corona 9017, was an American optical reconnaissance satellite which was launched in 1961. It was a KH-2 Corona' satellite, based on an Agena-B. The launch of Discoverer 25 occurred at 23:02 UTC on 16 June 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-1-1 at the Vandenberg Air Force Base. Upon successfully reaching orbit, it was assigned the Harvard designation 1961 Xi 1.
sameAs
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
Harvard designation
  • 1961(xsd:integer)
spacecraft bus
Mission Duration
  • 172800.0
spacecraft type
Name
  • Discoverer 25
Manufacturer
  • Lockheed
orbit period
  • 5424.0
orbit inclination
  • 82(xsd:double)
Operator
decay date
  • 1961-07-12(xsd:date)
launch site
Mission Type
  • Optical reconnaissance
apsis
  • gee
orbit regime
launch rocket
  • Thor DM-21 Agena-B 303
Launch date
  • --06-16
orbit reference
abstract
  • Discoverer 25, also known as Corona 9017, was an American optical reconnaissance satellite which was launched in 1961. It was a KH-2 Corona' satellite, based on an Agena-B. The launch of Discoverer 25 occurred at 23:02 UTC on 16 June 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-1-1 at the Vandenberg Air Force Base. Upon successfully reaching orbit, it was assigned the Harvard designation 1961 Xi 1. Discoverer 25 was operated in a low Earth orbit, with a perigee of kilometre (mi), an apogee of kilometre (mi), 82.1 degrees of inclination, and a period of 90.4 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 two days after launch. The Satellite Recovery Vehicle used by Discoverer 25 was SRV-510. Once its images had been returned, Discoverer 25's mission was complete, and it remained in orbit until it decayed on 12 July 1961. The Satellite Recovery Vehicle was designed to be recovered in mid-air by a Fairchild C-119J Flying Boxcar aircraft. As SRV-510 descended, the C-119J was unable to capture it, and the capsule had to be recovered at sea after it landed. The film it returned was affected by streaks across images.
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