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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). 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 URL

https://www.satcat.com/sats-embedded/41855?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41855, 2016-067H

Orbit

SSO

Last TLE update

19 hours ago

Origin

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

TLE from 19 hours ago

0 PROMETHEUS 2-3
1 41855U 16067H   25192.51384098  .00035094  00000-0  60643-3 0  9993
2 41855  98.0654  48.7989 0006413 133.1974 226.9812 15.50887554475356

Epoch: 2025-07-11T12:19Z

TLE epoch observation values (Epoch: 2025-07-11T12:19:55.86Z)

Latitude

-0.00009°

Longitude

-65.84852°

Altitude

420.219 km

Speed

7.657 km/s

True Right ascension

03h 15m 11s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

6.54953°

Longitude

115.98022°

Altitude

413.273 km

Speed

7.665 km/s

Apparent Right ascension

12h 33m 09s

Apparent Declination

-25° 50' 20"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

20:00:51

Azimuth

261.912° W

Elevation

-32.508°

Doppler factor

Orbital elements

Apogee altitude

415.442 km

Perigee altitude

406.734 km

Semi-major axis

6,789.225 km

Eccentricity

0.00064

Inclination

98.0654°

RAAN

48.7989°

Arg. of periapsis

133.1974°

True anomaly

Unknown

Mean anomaly

226.9812°

Eccentric anomaly

Unknown

Mean motion

3.87983 °/min

Orbital period

92.79 mins

BSTAR

0.00060643

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

WORLDVIEW 4, 41848 (Decayed)

PROMETHEUS 2-1, 41854

ATLAS 5 CENTAUR R/B, 41856

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.
5 mins	2025-07-12 14:47:29.865Z	193.436° SSW	2025-07-12 14:49:29.865Z	255.504° W	34.275°	2025-07-12 14:52:29.865Z	332.871° NNW
4 mins	2025-07-13 03:36:29.865Z	356.708° N	2025-07-13 03:38:29.865Z	277.598° WNW	38.753°	2025-07-13 03:40:29.865Z	212.65° SW

Authenticating...

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Check out PROMETHEUS 2-3, 41855 on other resources

View PROMETHEUS 2-3, 41855 on NASA - NSSDCA Website

View PROMETHEUS 2-3, 41855 on Heavens-Above

View PROMETHEUS 2-3, 41855 on Keep Track

View PROMETHEUS 2-3, 41855 on Celestrak

View PROMETHEUS 2-3, 41855 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.