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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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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-2399
1 47816U 21018AF 26035.42046406 -.00002996 00000-0 -18236-3 0 9991
2 47816 53.0554 40.9728 0001333 81.6663 278.4478 15.06386943271577Epoch: 2026-02-04T10:05Z
TLE epoch observation values (Epoch: 2026-02-04T10:05:28.094Z)
Latitude
0.00004°
Longitude
115.01847°
Altitude
547.995 km
Speed
7.589 km/s
True Right ascension
02h 43m 53s
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
21:40:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.445 km
Perigee altitude
546.599 km
Semi-major axis
6,925.659 km
Eccentricity
0.00013
Inclination
53.0554°
RAAN
40.9728°
Arg. of periapsis
81.6663°
True anomaly
278.43269°
Mean anomaly
278.4478°
Eccentric anomaly
278.44025°
Mean motion
3.76575 °/min
Orbital period
95.6 mins
BSTAR
-0.00018236
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-05 02:09:56.536Z | 189.428° SSW | 2026-02-05 02:12:56.536Z | 134.454° SE | 26.819° | 2026-02-05 02:15:56.536Z | 74.8° E |
| 6 mins | 2026-02-05 03:49:56.536Z | 266.508° W | 2026-02-05 03:52:56.536Z | 346.037° N | 31.803° | 2026-02-05 03:55:56.536Z | 36.502° NE |
| 6 mins | 2026-02-05 08:51:56.536Z | 334.658° NNW | 2026-02-05 08:53:56.536Z | 17.807° NNE | 29.67° | 2026-02-05 08:57:56.536Z | 97.325° ESE |
| 5 mins | 2026-02-05 10:31:56.536Z | 276.919° WNW | 2026-02-05 10:33:56.536Z | 223.362° SW | 30.254° | 2026-02-05 10:36:56.536Z | 165.068° 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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