Tracking 35280 objects as of 7-Sep-2026
HD Live streaming from Space Station
objects crossing your sky now

NAVSTAR 51 (USA 166)

Track NAVSTAR 51 (USA 166) now!
NAVSTAR 51 (USA 166) is classified as:


NORAD ID: 27663
Int'l Code: 2003-005A
Launch date: January 29, 2003
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)
PRN: 16

Navstar 51 (also known as USA 166, and as GPS 2R-8) is the latest to join the American (DoD) fleet of Global Positioning Satellites. It was launched by a Delta 2 rocket from Cape Canaveral at 18:06 UT on January 29 2003. The fleet is operating in full capacity with 24 spacecraft (in six planes, with four satellites in each). GPS 2R-8 will replace the aging GPS 2A-18, which will be shifted away in its Plane-B and then retired.
Your satellite tracking list
Your tracking list is empty




NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 27663U 03005A   26249.88938273  .00000014  00000-0  00000-0 0  9998
2 27663  54.8704 211.7248 0149999  53.5528 318.0563  2.00556055172956
Source of the keplerian elements: AFSPC