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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-2420
1 47831U 21018AW 26225.19091535 -.00002025 00000-0 -53497-4 0 9998
2 47831 53.1589 234.4323 0001113 98.5146 261.5982 15.31705948300746Epoch: 2026-08-13T04:34Z
TLE epoch observation values (Epoch: 2026-08-13T04:34:55.086Z)
Latitude
0.00003°
Longitude
-155.93125°
Altitude
471.734 km
Speed
7.631 km/s
True Right ascension
15h 37m 43s
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
13:11:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.741 km
Perigee altitude
470.217 km
Semi-major axis
6,849.116 km
Eccentricity
0.00011
Inclination
53.1589°
RAAN
234.4323°
Arg. of periapsis
98.5146°
True anomaly
261.58558°
Mean anomaly
261.5982°
Eccentric anomaly
261.59189°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
-0.000053497
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-14 02:39:46.814Z | 195.307° SSW | 2026-08-14 02:42:46.814Z | 128.886° SE | 28.927° | 2026-08-14 02:45:46.814Z | 68.478° E |
| 4 mins | 2026-08-14 04:18:46.814Z | 282.858° WNW | 2026-08-14 04:20:46.814Z | 339.485° N | 26.901° | 2026-08-14 04:22:46.814Z | 24.356° NE |
| 4 mins | 2026-08-14 09:15:46.814Z | 350.227° N | 2026-08-14 09:16:46.814Z | 19.007° NNE | 27.91° | 2026-08-14 09:19:46.814Z | 91.787° ESE |
| 5 mins | 2026-08-14 10:52:46.814Z | 280.207° WNW | 2026-08-14 10:54:46.814Z | 231.653° WSW | 27.247° | 2026-08-14 10:57:46.814Z | 167.304° S |
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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