STARLINK-3185, 51144
Orbit data source: Space-Track
STARLINK-3185, 51144 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 Jan 2022 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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51144 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-3185
1 51144U 22005AS 26171.41668980 .00047487 00000-0 24392-2 0 9995
2 51144 53.1604 197.7594 0001684 127.4790 130.3793 15.16054473 5824Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-51.64709°
Longitude
29.44593°
Altitude
536.438 km
Speed
7.594 km/s
True Right ascension
05h 52m 20s
True Declination
-51° 28' 27"
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
21:34:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
519.195 km
Perigee altitude
516.873 km
Semi-major axis
6,896.171 km
Eccentricity
0.00017
Inclination
53.1604°
RAAN
197.7594°
Arg. of periapsis
127.479°
True anomaly
130.394°
Mean anomaly
130.3793°
Eccentric anomaly
130.38665°
Mean motion
3.78993 °/min
Orbital period
94.99 mins
BSTAR
0.0024392
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Other satellites on launch #5 in the year 2022 (2022-01-19 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-3185 Visibility forecast
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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 | 2026-06-22 12:03:18.713Z | 272.261° WNW | 2026-06-22 12:05:18.713Z | 235.53° WSW | 19.655° | 2026-06-22 12:08:18.713Z | 183.156° SSW |
| 6 mins | 2026-06-23 03:29:18.713Z | 212.952° SW | 2026-06-23 03:32:18.713Z | 119.938° SE | 40.789° | 2026-06-23 03:35:18.713Z | 58.22° ENE |
| 5 mins | 2026-06-23 05:09:18.713Z | 293.643° NW | 2026-06-23 05:11:18.713Z | 336.783° NNW | 22.393° | 2026-06-23 05:14:18.713Z | 29.029° NE |
| 6 mins | 2026-06-23 10:08:18.713Z | 322.455° NNW | 2026-06-23 10:11:18.713Z | 64.355° ENE | 38.474° | 2026-06-23 10:14:18.713Z | 114.248° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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