USA-90

USA-90
NamesNavstar 2A-10
GPS IIA-10
GPS II-19
GPS SVN-31
Mission typeNavigation
OperatorU.S. Air Force
COSPAR ID1993-017A [1]
SATCAT no.22581
Mission duration7.5 years (planned)
12.5 years (achieved)
Spacecraft properties
SpacecraftGPS IIA
Spacecraft typeGPS Block IIA[2]
ManufacturerRockwell International
Launch mass840 kg (1,850 lb)
Dimensions5.3 m (17 ft) of long
Power710 watts
Start of mission
Launch date30 March 1993, 03:09:00 UTC
RocketDelta II 7925-9.5
(Delta D219)
Launch siteCape Canaveral, LC-17A
ContractorMcDonnell Douglas
Entered service2 May 1993
End of mission
DisposalGraveyard orbit
Deactivated24 October 2005
Orbital parameters
Reference systemGeocentric orbit[3]
RegimeMedium Earth orbit
(Semi-synchronous)
SlotC3 (slot 3 plane C)
Perigee altitude20,076 km (12,475 mi)
Apogee altitude20,287 km (12,606 mi)
Inclination54.9°
Period717.96 minutes
← USA-88 (GPS IIA-9)
USA-91 (GPS IIA-11) →

USA-90, also known as GPS IIA-10, GPS II-19 and GPS SVN-31, was an American navigation satellite which formed part of the Global Positioning System. It was the tenth of nineteen Block IIA GPS satellites to be launched.

  1. ^ Cite error: The named reference Display was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference GSP was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Trajectory was invoked but never defined (see the help page).