STARLINK-2378, 47916
Orbit data source: Space-Track
STARLINK-2378, 47916 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 14 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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47916 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: 2 days ago
TLE from 2 days ago
0 STARLINK-2378
1 47916U 21021BJ 26171.32077128 .00001473 00000-0 59223-4 0 9990
2 47916 53.1585 137.9625 0001246 82.0504 278.0639 15.31704938292134Epoch: 2026-06-20T07:41Z
TLE epoch observation values (Epoch: 2026-06-20T07:41:54.638Z)
Latitude
-0.00001°
Longitude
113.94776°
Altitude
471.506 km
Speed
7.632 km/s
True Right ascension
09h 11m 50s
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
21:31:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.836 km
Perigee altitude
470.129 km
Semi-major axis
6,849.119 km
Eccentricity
0.00012
Inclination
53.1585°
RAAN
137.9625°
Arg. of periapsis
82.0504°
True anomaly
278.04976°
Mean anomaly
278.0639°
Eccentric anomaly
278.05683°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.000059223
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Other satellites on launch #21 in the year 2021 (2021-03-14 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-2378 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 | 2026-06-23 00:07:01.579Z | 248.435° W | 2026-06-23 00:09:01.579Z | 348.459° N | 41.266° | 2026-06-23 00:12:01.579Z | 43.905° NE |
| 4 mins | 2026-06-23 05:03:01.579Z | 341.03° N | 2026-06-23 05:05:01.579Z | 18.374° NNE | 18.405° | 2026-06-23 05:07:01.579Z | 59.711° ENE |
| 6 mins | 2026-06-23 06:41:01.579Z | 305.919° NW | 2026-06-23 06:43:01.579Z | 281.713° WNW | 42.599° | 2026-06-23 06:47:01.579Z | 135.722° SSE |
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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