STARLINK-2381, 47800
Orbit data source: Space-Track
STARLINK-2381, 47800 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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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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-2381
1 47800U 21018P 26120.16667823 .01699245 00000-0 56260-1 0 9997
2 47800 53.1416 359.6208 0001866 91.0579 13.9749 15.27495289 5826Epoch: 2026-04-30T04:00Z
TLE epoch observation values (Epoch: 2026-04-30T04:00:00.999Z)
Latitude
50.7486°
Longitude
-164.3478°
Altitude
488.051 km
Speed
7.628 km/s
True Right ascension
07h 35m 05s
True Declination
50° 34' 24"
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
18:58:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
484.842 km
Perigee altitude
482.281 km
Semi-major axis
6,861.699 km
Eccentricity
0.00019
Inclination
53.1416°
RAAN
359.6208°
Arg. of periapsis
91.0579°
True anomaly
13.98007°
Mean anomaly
13.9749°
Eccentric anomaly
13.97748°
Mean motion
3.81853 °/min
Orbital period
94.28 mins
BSTAR
0.05626
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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-2381 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 | 2026-04-30 17:49:22.715Z | 182.713° SSW | 2026-04-30 17:52:22.715Z | 118.449° SE | 22.763° | 2026-04-30 17:54:22.715Z | 80.056° E |
| 5 mins | 2026-04-30 19:27:22.715Z | 264.648° W | 2026-04-30 19:29:22.715Z | 309.917° NW | 31.225° | 2026-04-30 19:32:22.715Z | 31.341° NE |
| 4 mins | 2026-05-01 00:25:22.715Z | 352.281° N | 2026-05-01 00:26:22.715Z | 17.501° NNE | 24.27° | 2026-05-01 00:29:22.715Z | 84.053° E |
| 5 mins | 2026-05-01 02:02:22.715Z | 289.621° WNW | 2026-05-01 02:04:22.715Z | 243.323° WSW | 32.772° | 2026-05-01 02:07:22.715Z | 159.893° 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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