NAVSTAR 46 (USA 145)
NORAD 25933· COSPAR 1999-055A· Navigation· MEO
Launch
Launched on Oct 7, 1999 from Space Launch Complex 17A, United States of America aboard a Delta II 7925-9.5.
Delta II | GPS IIR-3 →Live · TLE epoch 2026-09-08 01:40 UTC
Orbit class
MEO — Medium Earth (2,000–30,000 km, e.g. GPS / Galileo)
Operator
US Space Force
Country
United States
Manufacturer
Lockheed Martin
Launched
Oct 7, 1999
Mass
—
Apogee
20,469 km
Perigee
19,911 km
Inclination
51.39°
Period
11.97 h
Altitude history
Apogee and perigee for NAVSTAR 46 (USA 145) across 14 days of archived orbital elements (15 element sets, one per day).
Trend
Stable
Change
+0.1 km
Rate
+0.01 km/day
Now
19911 × 20469 km
Apogee Perigee
Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.
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