STARLINK-2391, 47810
Orbit data source: Space-Track
STARLINK-2391, 47810 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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47810 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-2391
1 47810U 21018Z 25339.25505647 .00002033 00000-0 15534-3 0 9997
2 47810 53.0551 325.5536 0001654 101.8036 258.3139 15.06399822262270Epoch: 2025-12-05T06:07Z
TLE epoch observation values (Epoch: 2025-12-05T06:07:16.879Z)
Latitude
0.00003°
Longitude
159.43352°
Altitude
548.324 km
Speed
7.589 km/s
True Right ascension
21h 42m 12s
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
00:03:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.628 km
Perigee altitude
546.337 km
Semi-major axis
6,925.62 km
Eccentricity
0.00017
Inclination
53.0551°
RAAN
325.5536°
Arg. of periapsis
101.8036°
True anomaly
258.29534°
Mean anomaly
258.3139°
Eccentric anomaly
258.30462°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.00015534
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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-2391 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 | 2025-12-06 03:03:15.588Z | 273.39° WNW | 2025-12-06 03:06:15.588Z | 335.526° NNW | 27.566° | 2025-12-06 03:09:15.588Z | 31.3° NE |
| 6 mins | 2025-12-06 08:05:15.588Z | 326.85° NNW | 2025-12-06 08:08:15.588Z | 49.505° ENE | 35.062° | 2025-12-06 08:11:15.588Z | 105.119° ESE |
| 5 mins | 2025-12-06 09:45:15.588Z | 271.692° WNW | 2025-12-06 09:47:15.588Z | 230.195° WSW | 23.358° | 2025-12-06 09:50:15.588Z | 177.129° S |
| 6 mins | 2025-12-07 01:17:15.588Z | 211.693° SW | 2025-12-07 01:20:15.588Z | 127.915° SE | 40.601° | 2025-12-07 01:23:15.588Z | 59.701° ENE |
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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