NAVSTAR 56 (USA 180)

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NAVSTAR 56 (USA 180) is classified as:

Global Positioning System (GPS) Constellation
Global Positioning System (GPS) Operational

NORAD ID: 28474

Int'l Code: 2004-045A

Perigee: 19,758.8 km

Apogee: 20,620.4 km

Inclination: 55.4 °

Period: 718.0 minutes

Semi major axis: 26560 km

RCS: 2.3866 m² (large)

Launch date: November 6, 2004
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)
PRN: 2

Navstar 56, also known as USA 180 and as GPS 2R-13, is an American navigational satellite that was launched by a Delta 2 rocket from Cape Canaveral at 05:39 UT on 6 November 2004. It is part of the 24-element GPS fleet and will replace the oldest member of the fleet, GPS 2A-11 launched in July 1991. It will be located in Plane D, Slot 1 position.

1 28474U 04045A   24133.31828459 -.00000107  00000-0  00000-0 0  9990
2 28474  55.4310 355.6444 0162208 291.5621 292.8682  2.00560723143067

Source of the keplerian elements: AFSPC