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: 1 day ago
TLE from 1 day ago
0 STARLINK-2399
1 47816U 21018AF 26224.37939221 .00001307 00000-0 53897-4 0 9997
2 47816 53.1595 253.7065 0001333 97.4268 262.6885 15.31695077300341Epoch: 2026-08-12T09:06Z
TLE epoch observation values (Epoch: 2026-08-12T09:06:19.486Z)
Latitude
-0.00004°
Longitude
156.29111°
Altitude
471.771 km
Speed
7.631 km/s
True Right ascension
16h 54m 49s
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
10:29:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.924 km
Perigee altitude
470.098 km
Semi-major axis
6,849.148 km
Eccentricity
0.00013
Inclination
53.1595°
RAAN
253.7065°
Arg. of periapsis
97.4268°
True anomaly
262.67335°
Mean anomaly
262.6885°
Eccentric anomaly
262.68092°
Mean motion
3.82903 °/min
Orbital period
94.02 mins
BSTAR
0.000053897
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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 | 2026-08-14 03:32:37.699Z | 187.144° SSW | 2026-08-14 03:35:37.699Z | 120.968° SE | 24.733° | 2026-08-14 03:37:37.699Z | 79.197° E |
| 4 mins | 2026-08-14 05:11:37.699Z | 283.074° WNW | 2026-08-14 05:12:37.699Z | 312.369° NW | 29.369° | 2026-08-14 05:15:37.699Z | 29.985° NE |
| 5 mins | 2026-08-14 10:07:37.699Z | 340.481° N | 2026-08-14 10:09:37.699Z | 29.297° NE | 25.692° | 2026-08-14 10:12:37.699Z | 89.874° E |
| 5 mins | 2026-08-14 11:45:37.699Z | 281.454° WNW | 2026-08-14 11:47:37.699Z | 220.861° SW | 31.274° | 2026-08-14 11:50:37.699Z | 159.466° 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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