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PROMETHEUS 2-1, 41854

Orbit data source: Space-Track

PROMETHEUS 2-1, 41854 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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<iframe src="https://www.satcat.com/sats-embedded/41854?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/41854?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41854, 2016-067G

Orbit

SSO

Country

Related business

US Special Operations Command (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 (9 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
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 PROMETHEUS 2-1
1 41854U 16067G   25239.08008652  .00075303  00000-0  10774-2 0  9991
2 41854  98.0646 102.0199 0003699 343.2264  16.8866 15.55952181482584

Epoch: 2025-08-27T01:55Z

TLE epoch observation values (Epoch: 2025-08-27T01:55:19.475Z)

Latitude

0.00002°

Longitude

97.62617°

Altitude

400.106 km

Speed

7.672 km/s

True Right ascension

06h 48m 04s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

11:28:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

398.84 km

Perigee altitude

393.828 km

Semi-major axis

6,774.471 km

Eccentricity

0.00037

Inclination

98.0646°

RAAN

102.0199°

Arg. of periapsis

343.2264°

True anomaly

16.89892°

Mean anomaly

16.8866°

Eccentric anomaly

16.89276°

Mean motion

3.89251 °/min

Orbital period

92.49 mins

BSTAR

0.0010774

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Other satellites on launch #67 in the year 2016 (2016-11-11 UTC)

WORLDVIEW 4, 41848 (Decayed)

PROMETHEUS 2-3, 41855

ATLAS 5 CENTAUR R/B, 41856

PROMETHEUS 2-1 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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 03:11:26.183Z	54.72° ENE	2025-08-28 03:13:26.183Z	103.477° ESE	19.024°	2025-08-28 03:15:26.183Z	145.73° SSE
4 mins	2025-08-28 15:06:26.183Z	181.411° SSW	2025-08-28 15:08:26.183Z	305.817° NW	39.651°	2025-08-28 15:10:26.183Z	339.448° N