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NAVSTAR 55 (USA 178)

Track NAVSTAR 55 (USA 178) now!
NAVSTAR 55 (USA 178) is classified as:


NORAD ID: 28361
Int'l Code: 2004-023A
Perigee: 19,798.6 km
Apogee: 20,577.8 km
Inclination: 54.2 °
Period: 717.9 minutes
Semi major axis: 26559 km
RCS: 3.1622 m2 (large)
Launch date: June 23, 2004
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

NAVSTAR 55, also known as USA 178, and as GPS 2R-12, is an American navigational satellite in the GPS fleet that was launched from Cape Canaveral by a Delta 2 rocket at 22:54 UT on 23 June 2004. The 2.1 tonne satellite will soon be manuevered into Slot 4 in Plane F to replace the aging GPS 2A-16 that was launched in November 1992. (GPS 2A-16 will however be repositioned in the same Plane as a backup, till its failue.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE): 
1 28361U 04023A   23081.50292943  .00000032  00000-0  00000-0 0  9992
2 28361  54.2450 134.6165 0146682 267.5987  89.5864  2.00576709137310
Source of the keplerian elements: AFSPC