MUOS-4
Launch
Launched on Sep 2, 2015 from Space Launch Complex 41, United States of America aboard a Atlas V 551.
Atlas V 551 | MUOS-4 →Live · TLE epoch 2026-09-08 12:45 UTC
Orbit class
GEO — Geostationary (~35,786 km, equatorial)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Sep 2, 2015
Mass
—
Apogee
36,019 km
Perigee
35,571 km
Inclination
4.49°
Period
23.94 h
Altitude history
Apogee and perigee for MUOS-4 across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Stable
Change
+0.4 km
Rate
+0.00 km/day
Now
35571 × 36019 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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