About: USA-145   Sponge Permalink

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

USA-145, also known as GPS IIR-3 and GPS SVN-46, is an American navigation satellite which forms part of the Global Positioning System. It was the third Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall. It was built by Lockheed Martin, using the AS-4000 satellite bus.

AttributesValues
rdf:type
rdfs:label
  • USA-145
rdfs:comment
  • USA-145, also known as GPS IIR-3 and GPS SVN-46, is an American navigation satellite which forms part of the Global Positioning System. It was the third Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall. It was built by Lockheed Martin, using the AS-4000 satellite bus.
sameAs
COSPAR ID
  • 1999(xsd:integer)
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
spacecraft bus
SATCAT
  • 25933(xsd:integer)
Mission Duration
  • 3.15576E8
spacecraft type
Name
  • USA-145
Image caption
  • A Block IIR GPS satellite
Manufacturer
  • Lockheed Martin
orbit period
  • 43077.600000000006
orbit inclination
  • 53(xsd:integer)
Operator
launch site
Mission Type
apsis
  • gee
orbit regime
launch rocket
Launch date
  • --10-07
orbit reference
abstract
  • USA-145, also known as GPS IIR-3 and GPS SVN-46, is an American navigation satellite which forms part of the Global Positioning System. It was the third Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall. It was built by Lockheed Martin, using the AS-4000 satellite bus. USA-145 was launched at 12:51:01 UTC on 7 October 1999, atop a Delta II carrier rocket, flight number D275, flying in the 7925-9.5 configuration. The launch took place from Space Launch Complex 17A at the Cape Canaveral Air Force Station, and placed USA-145 into a transfer orbit. The satellite raised itself into medium Earth orbit using a Star-37FM apogee motor. By 10 November 1999, USA-145 was in an orbit with a perigee of kilometre (mi), an apogee of kilometre (mi), a period of 717.96 minutes, and 53 degrees of inclination to the equator. It is used to broadcast the PRN 11 signal, and operated in slot 2 of plane D of the GPS constellation; however, it had been moved to slot 5 by 2011, with USA-71 covering slot 2. The satellite has a mass of kilogram (lb), and a design life of 10 years. As of 2012 it remains in service. GPS IIR-3 was originally intended to use satellite SVN-50; however, it was damaged during launch preparations in May 1999 after rainwater leaked into the cleanroom atop SLC-17A where the satellite was being attached to its rocket. SVN-50 was repaired and launched as GPS IIR-21, becoming the last IIR to fly.
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