UFO 11 (USA 174)
Launch
Launched on Dec 18, 2003 from Launch Complex 36B, United States of America aboard a Atlas IIIB.
Atlas | UHF F/O F11 →Live · TLE epoch 2026-10-23 19:00 UTC
Orbit class
GEO — Geostationary (~35,786 km, equatorial)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Dec 18, 2003
Mass
—
Apogee
35,812 km
Perigee
35,777 km
Inclination
9.09°
Period
23.94 h
Altitude history
Apogee and perigee for UFO 11 (USA 174) across 148 days of archived orbital elements (150 element sets, one per day).
Trend
Stable
Change
+0.5 km
Rate
+0.00 km/day
Now
35777 × 35812 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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