STARLINK-2431, 47839
Orbit data source: Space-Track
STARLINK-2431, 47839 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 11 Mar 2021 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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47839 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
260 kg wet, ~248 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: 3 days ago
TLE from 3 days ago
0 STARLINK-2431
1 47839U 21018BE 26170.54655653 .00006660 00000-0 22610-3 0 9990
2 47839 53.1586 103.1053 0001338 93.3761 266.7393 15.31714097292702Epoch: 2026-06-19T13:07Z
TLE epoch observation values (Epoch: 2026-06-19T13:07:02.484Z)
Latitude
-0.00005°
Longitude
-1.42906°
Altitude
471.65 km
Speed
7.631 km/s
True Right ascension
06h 52m 25s
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
21:42:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.871 km
Perigee altitude
470.038 km
Semi-major axis
6,849.092 km
Eccentricity
0.00013
Inclination
53.1586°
RAAN
103.1053°
Arg. of periapsis
93.3761°
True anomaly
266.72399°
Mean anomaly
266.7393°
Eccentric anomaly
266.73165°
Mean motion
3.82907 °/min
Orbital period
94.02 mins
BSTAR
0.0002261
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Other satellites on launch #18 in the year 2021 (2021-03-11 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-2431 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 | 2026-06-22 21:09:07.896Z | 222.554° SW | 2026-06-22 21:12:07.896Z | 185.094° SSW | 42.826° | 2026-06-22 21:15:07.896Z | 54.601° ENE |
| 4 mins | 2026-06-22 22:49:07.896Z | 304.711° NW | 2026-06-22 22:50:07.896Z | 325.227° NNW | 18.473° | 2026-06-22 22:53:07.896Z | 22.968° NE |
| 5 mins | 2026-06-23 03:45:07.896Z | 323.595° NNW | 2026-06-23 03:47:07.896Z | 43.013° NE | 41.206° | 2026-06-23 03:50:07.896Z | 117.302° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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