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 2026-09-08 02:53 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
36,148 km
Perigee
36,048 km
Inclination
13.26°
Period
1.01 d
Altitude history
Apogee and perigee for USA 149 (DSP 20) across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Raising
Change
+302.3 km
Rate
+2.93 km/day
Now
36048 × 36148 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.
Related satellites
Sources & further reading
Embed this satellite on your site
Free for editorial use. Attribution back to LowEarth is required.
<iframe src="https://lowearth.app/embed/26356" width="640" height="400" frameborder="0" allow="fullscreen"></iframe>