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PROMETHEUS 2-3, 41855

Orbit data source: Space-Track

PROMETHEUS 2-3, 41855 is a payload satellite owned by SOCOM (US) in SSO that was launched on Fri, 11 Nov 2016 UTC via an ATLAS V 401 launch vehicle from the Air Force Western Test Range (AFWTR). 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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Identifier	41855, 2016-067H
Orbit	SSO
Last TLE update	16 hours ago
Origin	SOCOM (US)
Manufacturer	LANL
Mission	Operational Defense Communications
Bus & Motor	CUBESAT 1.5U, Unknown motor
Mass	2 kg wet, 2 kg dry
Launch date (UTC)	2016-11-11 (8 years ago)
Launch vehicle	ATLAS V 401
Launch site	Air Force Western Test Range (AFWTR)
Object type	Payload Rocket body Debris
Shape & HBR	Box + 2 Pan, 0.1 m
Radar Cross Section	0.015 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 PROMETHEUS 2-3
1 41855U 16067H   25082.09490910  .00086990  00000-0  21710-2 0  9997
2 41855  98.0833 285.9255 0006934 180.0691 180.0554 15.39830136458299

Epoch: 2025-03-23T02:16Z

Definitive object data (Epoch: 2025-03-23T02:16:40.146Z)

Latitude	0.00008°
Longitude	70.92766°
Altitude	454.441 km
Speed	7.637 km/s
True Right ascension	19h 03m 42s
True Declination	0° 00' 00"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	43.89837°
Longitude	63.84266°
Altitude	456.172 km
Speed	7.641 km/s
Apparent Right ascension	14h 53m 29s
Apparent Declination	6° 39' 14"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	23:09:21
Azimuth	298.373° NW
Elevation	-20.564°
Doppler factor	1

Orbital elements

Apogee altitude	448.311 km
Perigee altitude	438.851 km
Semi-major axis	6,821.718 km
Eccentricity	0.0006934
Inclination	98.0833°
RAAN	285.9255°
Arg. of periapsis	180.0691°
True anomaly	180.05532°
Mean anomaly	180.0554°
Eccentric anomaly	180.05536°
Mean motion	3.85214 °/min
BSTAR	0.002171
Orbital period	93.45 mins