STARLINK-2399, 47816
Orbit data source: Space-Track
STARLINK-2399, 47816 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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47816 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-2399
1 47816U 21018AF 26171.20030810 .00004067 00000-0 14275-3 0 9998
2 47816 53.1601 141.2857 0001222 86.8003 273.3138 15.31700267292196Epoch: 2026-06-20T04:48Z
TLE epoch observation values (Epoch: 2026-06-20T04:48:26.619Z)
Latitude
-0.00006°
Longitude
160.7564°
Altitude
471.591 km
Speed
7.631 km/s
True Right ascension
09h 25m 08s
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
21:42:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.833 km
Perigee altitude
470.159 km
Semi-major axis
6,849.133 km
Eccentricity
0.00012
Inclination
53.1601°
RAAN
141.2857°
Arg. of periapsis
86.8003°
True anomaly
273.29982°
Mean anomaly
273.3138°
Eccentric anomaly
273.30681°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.00014275
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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-2399 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 00:21:20.503Z | 249.837° W | 2026-06-23 00:23:20.503Z | 320.525° NNW | 40.597° | 2026-06-23 00:26:20.503Z | 41.539° NE |
| 4 mins | 2026-06-23 05:18:20.503Z | 351.433° N | 2026-06-23 05:20:20.503Z | 35.521° NE | 18.775° | 2026-06-23 05:22:20.503Z | 70.895° E |
| 5 mins | 2026-06-23 06:56:20.503Z | 300.113° NW | 2026-06-23 06:58:20.503Z | 178.235° S | 42.228° | 2026-06-23 07:01:20.503Z | 138.691° 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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