USA 149 (DSP 20)
Launch
Launched on May 8, 2000 from Space Launch Complex 40, United States of America aboard a Titan 402B IUS.
Titan 402B IUS | DSP 20 →Live · TLE epoch 2026-10-23 01:37 UTC
Orbit class
IGSO — Inclined Geosynchronous (BeiDou / QZSS, figure-8 ground track)
Operator
United States Government (classified)
Country
United States
Manufacturer
—
Launched
May 8, 2000
Mass
—
Apogee
36,163 km
Perigee
36,141 km
Inclination
13.30°
Period
1.01 d
Altitude history
Apogee and perigee for USA 149 (DSP 20) across 148 days of archived orbital elements (150 element sets, one per day).
Trend
Raising
Change
+356.2 km
Rate
+2.40 km/day
Now
36141 × 36163 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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