STARLINK-2420, 47831
Orbit data source: Space-Track
STARLINK-2420, 47831 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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47831 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: 2 days ago
TLE from 2 days ago
0 STARLINK-2420
1 47831U 21018AW 26171.29408922 .00000403 00000-0 24765-4 0 9993
2 47831 53.1594 125.3569 0001509 92.8637 267.2537 15.31700350292485Epoch: 2026-06-20T07:03Z
TLE epoch observation values (Epoch: 2026-06-20T07:03:29.308Z)
Latitude
-0.00004°
Longitude
110.97398°
Altitude
471.689 km
Speed
7.631 km/s
True Right ascension
08h 21m 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
21:45:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.029 km
Perigee altitude
469.962 km
Semi-major axis
6,849.133 km
Eccentricity
0.00015
Inclination
53.1594°
RAAN
125.3569°
Arg. of periapsis
92.8637°
True anomaly
267.23643°
Mean anomaly
267.2537°
Eccentric anomaly
267.24506°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000024765
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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-2420 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 21:51:14.235Z | 168.283° S | 2026-06-22 21:53:14.235Z | 130.753° SE | 17.806° | 2026-06-22 21:55:14.235Z | 91.546° ESE |
| 5 mins | 2026-06-22 23:29:14.235Z | 262.664° W | 2026-06-22 23:31:14.235Z | 346.952° N | 36.252° | 2026-06-22 23:34:14.235Z | 40.435° NE |
| 4 mins | 2026-06-23 04:26:14.235Z | 357.492° N | 2026-06-23 04:27:14.235Z | 21.082° NNE | 20.853° | 2026-06-23 04:30:14.235Z | 78.639° E |
| 5 mins | 2026-06-23 06:03:14.235Z | 297.33° NW | 2026-06-23 06:05:14.235Z | 243.718° WSW | 39.915° | 2026-06-23 06:08:14.235Z | 147.078° 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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