About: Discoverer 28   Sponge Permalink

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

The launch of Discoverer 28 occurred at 00:01 UTC on 4 August 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-1-1 at the Vandenberg Air Force Base. It failed to achieve orbit after the Agena's guidance and control system malfunctioned.

AttributesValues
rdf:type
rdfs:label
  • Discoverer 28
rdfs:comment
  • The launch of Discoverer 28 occurred at 00:01 UTC on 4 August 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-1-1 at the Vandenberg Air Force Base. It failed to achieve orbit after the Agena's guidance and control system malfunctioned.
sameAs
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
spacecraft bus
Mission Duration
  • Failed to orbit
spacecraft type
Name
  • Discoverer 28
Manufacturer
  • Lockheed
Operator
launch site
Mission Type
  • Optical reconnaissance
apsis
  • gee
orbit regime
launch rocket
  • Thor DM-21 Agena-B 309
Launch date
  • --08-04
orbit epoch
  • Planned
orbit reference
abstract
  • The launch of Discoverer 28 occurred at 00:01 UTC on 4 August 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-1-1 at the Vandenberg Air Force Base. It failed to achieve orbit after the Agena's guidance and control system malfunctioned. Discoverer 28 was to have operated in a low Earth orbit. 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 to have been recorded onto -millimeter () film, and returned in a Satellite Recovery Vehicle. The Satellite Recovery Vehicle carried by Discoverer 28 was SRV-512.
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