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: 1 day ago
TLE from 1 day ago
0 STARLINK-2420
1 47831U 21018AW 25292.02021278 .00002059 00000-0 15709-3 0 9998
2 47831 53.0526 152.5951 0001518 97.8078 262.3084 15.06404621255509Epoch: 2025-10-19T00:29Z
TLE epoch observation values (Epoch: 2025-10-19T00:29:06.384Z)
Latitude
0.00005°
Longitude
117.57566°
Altitude
548.217 km
Speed
7.589 km/s
True Right ascension
10h 10m 22s
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
18:56:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.52 km
Perigee altitude
546.417 km
Semi-major axis
6,925.605 km
Eccentricity
0.00015
Inclination
53.0526°
RAAN
152.5951°
Arg. of periapsis
97.8078°
True anomaly
262.29116°
Mean anomaly
262.3084°
Eccentric anomaly
262.29978°
Mean motion
3.76579 °/min
Orbital period
95.6 mins
BSTAR
0.00015709
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-20 00:53:23.148Z | 297.419° NW | 2025-10-20 00:57:23.148Z | 211.376° SW | 34.506° | 2025-10-20 01:00:23.148Z | 156.374° SSE |
| 6 mins | 2025-10-20 16:27:23.148Z | 187.345° SSW | 2025-10-20 16:30:23.148Z | 116.874° SE | 28.187° | 2025-10-20 16:33:23.148Z | 68.591° E |
| 5 mins | 2025-10-20 18:07:23.148Z | 275.978° WNW | 2025-10-20 18:09:23.148Z | 328.545° NNW | 31.153° | 2025-10-20 18:12:23.148Z | 32.194° NE |
| 5 mins | 2025-10-20 23:09:23.148Z | 340.529° N | 2025-10-20 23:11:23.148Z | 37.747° NE | 31.511° | 2025-10-20 23:14:23.148Z | 96.837° ESE |
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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