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). Payload-class satellites include a variety of spacecraft 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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41855 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
LANL
Mission
Operational Defense Communications
Bus & Motor
CUBESAT 1.5U, Unknown motor
Mass
2 kg wet, 2 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.1 m
Radar Cross Section
0.015 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 PROMETHEUS 2-3
1 41855U 16067H 25239.60540530 .00073531 00000-0 10504-2 0 9998
2 41855 98.0568 101.6994 0002806 351.0132 9.1070 15.56004433482666Epoch: 2025-08-27T14:31Z
TLE epoch observation values (Epoch: 2025-08-27T14:31:47.017Z)
Latitude
-0.00004°
Longitude
-92.32686°
Altitude
400.476 km
Speed
7.671 km/s
True Right ascension
06h 46m 47s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
16:42:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
398.083 km
Perigee altitude
394.281 km
Semi-major axis
6,774.319 km
Eccentricity
0.00028
Inclination
98.0568°
RAAN
101.6994°
Arg. of periapsis
351.0132°
True anomaly
9.11209°
Mean anomaly
9.107°
Eccentric anomaly
9.10955°
Mean motion
3.89264 °/min
Orbital period
92.48 mins
BSTAR
0.0010504
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Other satellites on launch #67 in the year 2016 (2016-11-11 UTC)
PROMETHEUS 2-3 Visibility forecast
Observer location: undefined°, undefined°
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-08-28 03:26:38.890Z | 36.552° NE | 2025-08-28 03:28:38.890Z | 97.36° ESE | 31.773° | 2025-08-28 03:30:38.890Z | 162.038° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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