MUOS-4

NORAD 40887· COSPAR 2015-044A· Active satellite· Communications· GEO

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 2026-10-23 22:25 UTC

Orbit class

GEO — Geostationary (~35,786 km, equatorial)

Operator

United States Government

Country

United States

Manufacturer

—

Launched

Sep 2, 2015

Mass

—

Apogee

36,012 km

Perigee

35,577 km

Inclination

4.57°

Period

23.94 h

Altitude history

Apogee and perigee for MUOS-4 across 148 days of archived orbital elements (150 element sets, one per day).

Trend

Stable

Change

+0.2 km

Rate

+0.00 km/day

Now

35577 × 36012 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/40887" width="640" height="400" frameborder="0" allow="fullscreen"></iframe>