LowEarth

USA 157 (MILSTAR-2 2)

NORAD 26715· COSPAR 2001-009A· Active satellite· Communications· IGSO
Launch
Launched on Feb 27, 2001 from Space Launch Complex 40, United States of America aboard a Titan IVB/Centaur.
Titan IVB | Milstar 4
Live · TLE epoch 2026-09-08 11:49 UTC
Orbit class
IGSO — Inclined Geosynchronous (BeiDou / QZSS, figure-8 ground track)
Operator
United States Government (classified)
Country
United States
Manufacturer
Launched
Feb 27, 2001
Mass
Apogee
35,974 km
Perigee
35,614 km
Inclination
11.63°
Period
23.94 h

Altitude history

Apogee and perigee for USA 157 (MILSTAR-2 2) across 103 days of archived orbital elements (105 element sets, one per day).

Trend
Decaying
Change
-2.1 km
Rate
-0.02 km/day
Now
35614 × 35974 km
357953597535614May 28Sep 9
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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