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MUOS 3, 40374

Orbit data source: Space-Track

MUOS 3, 40374 is a payload satellite owned by SPAWAR Pacific (US) in GEO that was launched on Wed, 21 Jan 2015 UTC via an ATLAS V 551 launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Not visible in the next 10 days

MUOS 3 details

Identifier	40374, 2015-002A
Orbit	GEO
Last TLE update	10 hours ago
Origin	SPAWAR Pacific (US)
Manufacturer	LMSS/LMCSS
Mission	Operational Defense Communications
Bus & Motor	A2100, BT-4
Mass	6,800 kg wet, 3,800 kg dry
Launch date (UTC)	2015-01-21 (10 years ago)
Launch vehicle	ATLAS V 551
Launch site	Air Force Eastern Test Range (AFETR)
Object type	Payload Rocket body Debris
Shape & HBR	Box + 2 Pan + 1 Dish, 28.7 m
Radar Cross Section	71.298 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 MUOS 3
1 40374U 15002A   25013.67586983 -.00000130  00000-0  00000+0 0  9993
2 40374   3.5726  38.8999 0057169 184.0321 118.3175  1.00271279 36606

Epoch: 2025-01-13T16:13Z

Definitive object data (Epoch: 2025-01-13T16:13:15.153Z)

Latitude	-3.02211°
Longitude	-14.80772°
Altitude	35,901.004 km
Speed	3.066 km/s
True Right ascension	22h 47m 35s
True Declination	-3° 01' 09"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	3.58052°
Longitude	138.24571°
Altitude	35,776.86 km
Speed	3.075 km/s
Apparent Right ascension	09h 26m 25s
Apparent Declination	-1° 57' 07"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	03:03:37
Azimuth	87.837° E
Elevation	-5.623°
Doppler factor	1

Orbital elements

Apogee altitude	36,028.86 km
Perigee altitude	35,546.743 km
Semi-major axis	42,165.938 km
Eccentricity	0.0057169
Inclination	3.5726°
RAAN	38.8999°
Arg. of periapsis	184.0321°
True anomaly	118.89226°
Mean anomaly	118.3175°
Eccentric anomaly	118.60507°
Mean motion	0.25067 °/min
BSTAR	Unknown
Orbital period	1436.16 mins