STARLINK-3279, 50185
Orbit data source: Space-Track
STARLINK-3279, 50185 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 18 Dec 2021 UTC via an FALCON 9 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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50185 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
290 kg wet, ~270 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: 4 hours ago
TLE from 4 hours ago
0 STARLINK-3279
1 50185U 21125AF 26170.22299833 .00000147 00000-0 27313-4 0 9996
2 50185 53.1613 153.2513 0001251 81.0494 279.0639 15.08836290251933Epoch: 2026-06-19T05:21Z
TLE epoch observation values (Epoch: 2026-06-19T05:21:07.055Z)
Latitude
-0.00003°
Longitude
165.51682°
Altitude
540.51 km
Speed
7.593 km/s
True Right ascension
10h 13m 00s
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
20:16:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.874 km
Perigee altitude
539.143 km
Semi-major axis
6,918.146 km
Eccentricity
0.00013
Inclination
53.1613°
RAAN
153.2513°
Arg. of periapsis
81.0494°
True anomaly
279.04974°
Mean anomaly
279.0639°
Eccentric anomaly
279.05682°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000027313
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Other satellites on launch #125 in the year 2021 (2021-12-18 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-3279 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 | 2026-06-20 00:34:18.167Z | 184.552° SSW | 2026-06-20 00:37:18.167Z | 136.196° SSE | 22.618° | 2026-06-20 00:40:18.167Z | 79.517° E |
| 6 mins | 2026-06-20 02:14:18.167Z | 260.854° W | 2026-06-20 02:16:18.167Z | 306.077° NW | 34.825° | 2026-06-20 02:20:18.167Z | 39.02° NE |
| 5 mins | 2026-06-20 07:16:18.167Z | 346.597° N | 2026-06-20 07:18:18.167Z | 36.832° NE | 26.33° | 2026-06-20 07:21:18.167Z | 88.94° E |
| 6 mins | 2026-06-20 08:55:18.167Z | 287.381° WNW | 2026-06-20 08:57:18.167Z | 234.309° WSW | 35.165° | 2026-06-20 09:01:18.167Z | 153.329° SSE |
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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