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AEHF 4 (USA 288), 43651

Orbit data source: Space-Track

AEHF 4 (USA 288), 43651 is a payload satellite owned by USAF MCSW (US) in GEO that was launched on Wed, 17 Oct 2018 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.

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AEHF 4 (USA 288) details

Identifier	43651, 2018-079A
Orbit	GEO
Last TLE update	23 hours ago
Origin	USAF MCSW (US)
Manufacturer	LMSS
Mission	Operational Defense Communications
Bus & Motor	A2100M, BT-4/AJ-EP?
Mass	6,200 kg wet, ~4,000 kg dry
Launch date (UTC)	2018-10-17 (6 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, 27 m
Radar Cross Section	35.027 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 23 hours ago

0 AEHF 4 (USA 288)
1 43651U 18079A   24360.51550188 -.00000247  00000-0  00000-0 0  9996
2 43651   1.6417 333.4314 0049674   6.4388 232.6777  1.00267881 22898

Epoch: 2024-12-25T12:22Z

Definitive object data (Epoch: 2024-12-25T12:22:19.362Z)

Latitude	-1.41623°
Longitude	-68.0121°
Altitude	35,914.174 km
Speed	3.065 km/s
True Right ascension	14h 08m 18s
True Declination	-1° 24' 53"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	-1.18057°
Longitude	-81.17607°
Altitude	35,948.746 km
Speed	3.063 km/s
Apparent Right ascension	13h 33m 16s
Apparent Declination	-7° 18' 34"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	10:46:55
Azimuth	131.065° SE
Elevation	29.168°
Doppler factor	1

Orbital elements

Apogee altitude	35,998.218 km
Perigee altitude	35,579.299 km
Semi-major axis	42,166.896 km
Eccentricity	0.0049674
Inclination	1.6417°
RAAN	333.4314°
Arg. of periapsis	6.4388°
True anomaly	232.22674°
Mean anomaly	232.6777°
Eccentric anomaly	232.45205°
Mean motion	0.25066 °/min
BSTAR	Unknown
Orbital period	1436.21 mins