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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-3185
1 51144U 22005AS 26094.27511433 -.00000975 00000-0 -43216-4 0 9994
2 51144 53.2150 184.2743 0001309 91.2718 268.8424 15.08833193232601Epoch: 2026-04-04T06:36Z
TLE epoch observation values (Epoch: 2026-04-04T06:36:09.878Z)
Latitude
-0.00001°
Longitude
-107.3641°
Altitude
540.68 km
Speed
7.593 km/s
True Right ascension
12h 17m 05s
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
20:40:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.915 km
Perigee altitude
539.104 km
Semi-major axis
6,918.147 km
Eccentricity
0.00013
Inclination
53.215°
RAAN
184.2743°
Arg. of periapsis
91.2718°
True anomaly
268.8274°
Mean anomaly
268.8424°
Eccentric anomaly
268.8349°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
-0.000043216
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-04 15:02:00.463Z | 324.96° NNW | 2026-04-04 15:05:00.463Z | 32.018° NE | 34.774° | 2026-04-04 15:08:00.463Z | 101.945° ESE |
| 5 mins | 2026-04-04 16:42:00.463Z | 275.27° WNW | 2026-04-04 16:44:00.463Z | 235.473° WSW | 23.619° | 2026-04-04 16:47:00.463Z | 178.303° S |
| 6 mins | 2026-04-05 08:13:00.463Z | 208.453° SW | 2026-04-05 08:16:00.463Z | 105.47° ESE | 38.681° | 2026-04-05 08:19:00.463Z | 58.707° ENE |
| 5 mins | 2026-04-05 09:53:00.463Z | 289.242° WNW | 2026-04-05 09:55:00.463Z | 330.604° NNW | 23.742° | 2026-04-05 09:58:00.463Z | 26.913° NE |
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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