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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Edit Public Description
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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-2420
1 47831U 21018AW 26035.36469163 .00001716 00000-0 13406-3 0 9991
2 47831 53.0552 26.2204 0001430 97.5028 262.6123 15.06410419271834Epoch: 2026-02-04T08:45Z
TLE epoch observation values (Epoch: 2026-02-04T08:45:09.356Z)
Latitude
-0.00008°
Longitude
120.39903°
Altitude
548.186 km
Speed
7.589 km/s
True Right ascension
01h 44m 52s
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
21:27:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.441 km
Perigee altitude
546.46 km
Semi-major axis
6,925.587 km
Eccentricity
0.00014
Inclination
53.0552°
RAAN
26.2204°
Arg. of periapsis
97.5028°
True anomaly
262.59605°
Mean anomaly
262.6123°
Eccentric anomaly
262.60417°
Mean motion
3.76581 °/min
Orbital period
95.6 mins
BSTAR
0.00013406
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-02-05 00:49:43.694Z | 167.049° S | 2026-02-05 00:51:43.694Z | 133.42° SE | 18.483° | 2026-02-05 00:54:43.694Z | 83.452° E |
| 6 mins | 2026-02-05 02:28:43.694Z | 250.818° W | 2026-02-05 02:30:43.694Z | 292.863° NW | 38.781° | 2026-02-05 02:34:43.694Z | 42.246° NE |
| 4 mins | 2026-02-05 04:09:43.694Z | 314.331° NW | 2026-02-05 04:11:43.694Z | 349.254° N | 16.412° | 2026-02-05 04:13:43.694Z | 20.866° NNE |
| 5 mins | 2026-02-05 07:30:43.694Z | 340.263° N | 2026-02-05 07:32:43.694Z | 20.445° NNE | 24.161° | 2026-02-05 07:35:43.694Z | 78.903° E |
| 6 mins | 2026-02-05 09:09:43.694Z | 298.804° NW | 2026-02-05 09:12:43.694Z | 221.448° SW | 39.953° | 2026-02-05 09:15:43.694Z | 149.147° SSE |
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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