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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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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-2400
1 47817U 21018AG 26035.30331197 .00185391 00000-0 61503-2 0 9996
2 47817 53.1540 38.2004 0001168 84.7621 275.3513 15.30023963271602Epoch: 2026-02-04T07:16Z
TLE epoch observation values (Epoch: 2026-02-04T07:16:46.154Z)
Latitude
0°
Longitude
154.53627°
Altitude
476.565 km
Speed
7.629 km/s
True Right ascension
02h 32m 48s
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
21:40:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.799 km
Perigee altitude
475.198 km
Semi-major axis
6,854.135 km
Eccentricity
0.00012
Inclination
53.154°
RAAN
38.2004°
Arg. of periapsis
84.7621°
True anomaly
275.33797°
Mean anomaly
275.3513°
Eccentric anomaly
275.34464°
Mean motion
3.82485 °/min
Orbital period
94.12 mins
BSTAR
0.0061503
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Other satellites on launch #18 in the year 2021 (2021-03-11 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-05 02:14:53.574Z | 203.358° SW | 2026-02-05 02:17:53.574Z | 141.858° SSE | 33.178° | 2026-02-05 02:20:53.574Z | 66.708° ENE |
| 5 mins | 2026-02-05 03:53:53.574Z | 281.428° WNW | 2026-02-05 03:55:53.574Z | 326.435° NNW | 24.719° | 2026-02-05 03:58:53.574Z | 28.693° NE |
| 5 mins | 2026-02-05 08:50:53.574Z | 335.17° NNW | 2026-02-05 08:52:53.574Z | 31.47° NE | 31.661° | 2026-02-05 08:55:53.574Z | 99.919° ESE |
| 4 mins | 2026-02-05 10:28:53.574Z | 271.666° WNW | 2026-02-05 10:30:53.574Z | 223.449° SW | 23.33° | 2026-02-05 10:32:53.574Z | 181.126° SSW |
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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