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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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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-2381
1 47800U 21018P 26035.38174162 .00002870 00000-0 21144-3 0 9991
2 47800 53.0556 21.1417 0001500 96.1009 264.0151 15.06410741271853Epoch: 2026-02-04T09:09Z
TLE epoch observation values (Epoch: 2026-02-04T09:09:42.475Z)
Latitude
-0.00004°
Longitude
109.16556°
Altitude
548.166 km
Speed
7.589 km/s
True Right ascension
01h 24m 34s
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
20:01:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.488 km
Perigee altitude
546.41 km
Semi-major axis
6,925.586 km
Eccentricity
0.00015
Inclination
53.0556°
RAAN
21.1417°
Arg. of periapsis
96.1009°
True anomaly
263.99801°
Mean anomaly
264.0151°
Eccentric anomaly
264.00655°
Mean motion
3.76581 °/min
Orbital period
95.6 mins
BSTAR
0.00021144
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-05 01:14:10.846Z | 210.074° SW | 2026-02-05 01:18:10.846Z | 131.36° SE | 37.407° | 2026-02-05 01:21:10.846Z | 63.511° ENE |
| 5 mins | 2026-02-05 02:56:10.846Z | 293.8° NW | 2026-02-05 02:58:10.846Z | 343.301° N | 25.36° | 2026-02-05 03:01:10.846Z | 32.389° NE |
| 6 mins | 2026-02-05 07:57:10.846Z | 326.379° NNW | 2026-02-05 07:59:10.846Z | 12.523° NNE | 37.203° | 2026-02-05 08:03:10.846Z | 110.925° ESE |
| 4 mins | 2026-02-05 09:37:10.846Z | 264.264° W | 2026-02-05 09:39:10.846Z | 223.53° SW | 20.48° | 2026-02-05 09:41:10.846Z | 188.564° SSW |
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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