Showing default

PROMETHEUS 2-3, 41855

Orbit data source: Space-Track

PROMETHEUS 2-3, 41855 is a payload satellite owned by SOCOM (US) in LEO 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.

Not visible in the next 10 days

Iframe embed code

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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

41855, 2016-067H

Orbit

LEO

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: 2 days ago

TLE from 2 days ago

0 PROMETHEUS 2-3
1 41855U 16067H   25337.26230530  .10333909  30191-5  10838-2 0  9993
2 41855  98.0085 214.3983 0000778 241.2031 118.9187 16.37806791498015

Epoch: 2025-12-03T06:17Z

TLE epoch observation values (Epoch: 2025-12-03T06:17:43.177Z)

Latitude

-0.00008°

Longitude

47.63278°

Altitude

175.119 km

Speed

7.801 km/s

True Right ascension

14h 17m 35s

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

22:53:10

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

168.991 km

Perigee altitude

167.973 km

Semi-major axis

6,546.619 km

Eccentricity

0.00008

Inclination

98.0085°

RAAN

214.3983°

Arg. of periapsis

241.2031°

True anomaly

118.9265°

Mean anomaly

118.9187°

Eccentric anomaly

118.9226°

Mean motion

4.09749 °/min

Orbital period

87.86 mins

BSTAR

0.0010838

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

WORLDVIEW 4, 41848 (Decayed)

CELTEE 1, 41850

ATLAS 5 CENTAUR R/B, 41856

AEROCUBE 8D, 41852

RAVAN, 41849

AEROCUBE 8C, 41853

PROMETHEUS 2-1, 41854

OPTICUBE 04, 41851

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

PROMETHEUS 2-3 Visibility

Loading observer location...
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.
PROMETHEUS 2-3 is likely not visible in the next few days.

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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.

PROMETHEUS 2-3, 41855

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2025-12-03T06:17:43.177Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

PROMETHEUS 2-3 Visibility

Co-orbital & Co-planar RSOs

Check out PROMETHEUS 2-3, 41855 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago