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

USA-206, also GPS SVN-50, PRN-05 and NAVSTAR 64 and known before launch as GPS IIR-21, GPS IIRM-8 or GPS IIR-21(M), is an American navigation satellite which forms part of the Navstar Global Positioning System. It was the twenty-first and last Block IIR GPS satellite to be launched, and the eighth to use the modernised IIRM configuration.

AttributesValues
rdf:type
rdfs:label
  • USA-206
rdfs:comment
  • USA-206, also GPS SVN-50, PRN-05 and NAVSTAR 64 and known before launch as GPS IIR-21, GPS IIRM-8 or GPS IIR-21(M), is an American navigation satellite which forms part of the Navstar Global Positioning System. It was the twenty-first and last Block IIR GPS satellite to be launched, and the eighth to use the modernised IIRM configuration.
sameAs
COSPAR ID
  • 2009(xsd:integer)
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
spacecraft bus
SATCAT
  • 35752(xsd:integer)
Mission Duration
  • 3.15576E8
spacecraft type
Name
  • USA-206
launch contractor
Image caption
  • Artist's impression of a GPS IIRM satellite in orbit
Manufacturer
  • Lockheed Martin
orbit period
  • 43200.0
orbit inclination
  • 55(xsd:integer)
Operator
launch site
Mission Type
apsis
  • gee
orbit regime
launch rocket
Launch date
  • --08-17
orbit reference
abstract
  • USA-206, also GPS SVN-50, PRN-05 and NAVSTAR 64 and known before launch as GPS IIR-21, GPS IIRM-8 or GPS IIR-21(M), is an American navigation satellite which forms part of the Navstar Global Positioning System. It was the twenty-first and last Block IIR GPS satellite to be launched, and the eighth to use the modernised IIRM configuration. GPS IIR-21 was built by Lockheed Martin, based on the AS-4000 satellite bus, with the navigation payload being built by ITT. It was launched by a United Launch Alliance Delta II rocket, using the 7925-9.5 configuration, on 17 August 2009 at 10:35 GMT. It was the last spacecraft to launch from Space Launch Complex 17A at the Cape Canaveral Air Force Station, a launch pad which was first used in August 1957 for test flights of the PGM-17 Thor missile. It is also the final flight of an AS-4000 bus, the final GPS launch on a Delta II, and the final Delta II launch to be overseen by the US Air Force. Following separation from its carrier rocket, GPS IIR-21 received its USA designation, USA-206. It was deployed into a transfer orbit, from which raised itself to a semi-synchronous medium Earth orbit on 19 August, using an onboard Star 37FM apogee motor. It is a -kilogram () satellite, and is expected to operate for at least ten years. Once it had completed on-orbit testing, it began covering Slot 3 of Plane E of the GPS constellation, replacing USA-126, or GPS IIA-26, which was launched in July 1996. It was declared operational on 27 August 2009.
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