STARLINK-2257, 47787
Orbit data source: Space-Track
STARLINK-2257, 47787 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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47787 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-2257
1 47787U 21018A 26224.34807734 .00002528 00000-0 93230-4 0 9995
2 47787 53.1581 241.3632 0001073 87.3756 272.7368 15.31692356300533Epoch: 2026-08-12T08:21Z
TLE epoch observation values (Epoch: 2026-08-12T08:21:13.882Z)
Latitude
-0.00002°
Longitude
155.25204°
Altitude
471.628 km
Speed
7.631 km/s
True Right ascension
16h 05m 27s
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
12:12:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.755 km
Perigee altitude
470.285 km
Semi-major axis
6,849.157 km
Eccentricity
0.00011
Inclination
53.1581°
RAAN
241.3632°
Arg. of periapsis
87.3756°
True anomaly
272.72452°
Mean anomaly
272.7368°
Eccentric anomaly
272.73066°
Mean motion
3.82902 °/min
Orbital period
94.02 mins
BSTAR
0.00009323
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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-2257 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 02:47:59.071Z | 186.996° SSW | 2026-08-14 02:49:59.071Z | 144.372° SSE | 26.508° | 2026-08-14 02:52:59.071Z | 74.082° E |
| 5 mins | 2026-08-14 04:25:59.071Z | 273.841° WNW | 2026-08-14 04:27:59.071Z | 323.837° NNW | 28.514° | 2026-08-14 04:30:59.071Z | 31.32° NE |
| 5 mins | 2026-08-14 09:22:59.071Z | 343.485° N | 2026-08-14 09:24:59.071Z | 38.987° NE | 26.781° | 2026-08-14 09:27:59.071Z | 94.302° ESE |
| 4 mins | 2026-08-14 11:00:59.071Z | 274.05° WNW | 2026-08-14 11:02:59.071Z | 210.843° SW | 28.468° | 2026-08-14 11:04:59.071Z | 168.476° 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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