STARLINK-2400, 47817
Orbit data source: Space-Track
STARLINK-2400, 47817 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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47817 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-2400
1 47817U 21018AG 26264.72373254 .00002174 00000-0 81777-4 0 9990
2 47817 53.1613 50.8188 0001459 68.5347 291.5810 15.31715130306754Epoch: 2026-09-21T17:22Z
TLE epoch observation values (Epoch: 2026-09-21T17:22:10.491Z)
Latitude
-0.00001°
Longitude
149.67561°
Altitude
471.228 km
Speed
7.632 km/s
True Right ascension
03h 23m 16s
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
04:10:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.951 km
Perigee altitude
469.952 km
Semi-major axis
6,849.088 km
Eccentricity
0.00015
Inclination
53.1613°
RAAN
50.8188°
Arg. of periapsis
68.5347°
True anomaly
291.56545°
Mean anomaly
291.581°
Eccentric anomaly
291.57323°
Mean motion
3.82908 °/min
Orbital period
94.02 mins
BSTAR
0.000081777
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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-2400 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 | 2026-09-22 12:19:23.679Z | 218.729° SW | 2026-09-22 12:23:23.679Z | 96.032° ESE | 58.414° | 2026-09-22 12:26:23.679Z | 55.561° ENE |
| 4 mins | 2026-09-22 13:59:23.679Z | 298.708° NW | 2026-09-22 14:01:23.679Z | 343.077° N | 21.223° | 2026-09-22 14:03:23.679Z | 20.586° NNE |
| 5 mins | 2026-09-22 18:55:23.679Z | 325.451° NNW | 2026-09-22 18:57:23.679Z | 20.694° NNE | 52.076° | 2026-09-22 19:00:23.679Z | 110.958° ESE |
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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