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 2026-09-08 11:02 UTC
Orbit class
GEO — Geostationary (~35,786 km, equatorial)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Dec 18, 2003
Mass
—
Apogee
35,810 km
Perigee
35,779 km
Inclination
9.02°
Period
23.94 h
Altitude history
Apogee and perigee for UFO 11 (USA 174) across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Stable
Change
+0.5 km
Rate
+0.00 km/day
Now
35779 × 35810 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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