USA-80

USA-80
NamesNavstar 2A-04
GPS IIA-4
GPS II-13
GPS SVN-28
Mission typeNavigation
OperatorU.S. Air Force
COSPAR ID1992-019A [1]
SATCAT no.21930
Mission duration7.5 years (planned)
5.33 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 kg
Start of mission
Launch date10 April 1992, 03:20:00 UTC
RocketDelta II 7925-9.5
(Delta D208)
Launch siteCape Canaveral, LC-17B
ContractorMcDonnell Douglas
Entered service10 April 1992
End of mission
DisposalGraveyard orbit
Deactivated15 August 1997
Orbital parameters
Reference systemGeocentric orbit
RegimeMedium Earth orbit
(Semi-synchronous)
SlotC2 (slot 2 plane C)
Perigee altitude19,877 km (12,351 mi)
Apogee altitude20,390 km (12,670 mi)
Inclination55.10°
Period716.00 minutes
← USA-79 (GPS IIA-3)
USA-83 (GPS IIA-5) →

USA-80, also known as GPS IIA-4, GPS II-13 and GPS SVN-28, was an American navigation satellite which formed part of the Global Positioning System. It was the fourth 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).