USA-10

USA-10
NamesNavstar 11
GPS I-11
GPS SVN-11
Mission typeNavigation
Technology
OperatorU.S. Air Force
COSPAR ID1985-093A [1]
SATCAT no.16129
Mission duration5 years (planned)
8.5 years (achieved)
Spacecraft properties
SpacecraftNavstar
Spacecraft typeGPS Block I
ManufacturerRockwell Space Systems[2]
Launch mass758 kg (1,671 lb) [2]
Dimensions5.3 meters of long
Power400 watts
Start of mission
Launch date9 October 1985, 02:53 UTC
RocketAtlas E / SGS-2
(Atlas-55E) [3]
Launch siteVandenberg, SLC-3W[3]
ContractorConvair
General Dynamics
Entered service8 November 1985
End of mission
Deactivated14 April 1994
Orbital parameters
Reference systemGeocentric orbit[1]
RegimeMedium Earth orbit
(Semi-synchronous)
Perigee altitude19,829 km (12,321 mi)
Apogee altitude20,532 km (12,758 mi)
Inclination63.40°
Period717.90 minutes
← USA-5 (Navstar 10)
USA-35 (Navstar 12) →

USA-10, also known as Navstar 11, GPS I-11 and GPS SVN-11, was an American navigation satellite launched in 1985 as part of the Global Positioning System development programme. It was the last of eleven Block I GPS satellites to be launched.[2]

  1. ^ a b Cite error: The named reference NSSDC was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference GSP was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference LL was invoked but never defined (see the help page).