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 26171.29948050 -.00002477 00000-0 -68088-4 0 9995
2 47787 53.1607 128.3371 0001304 87.4131 272.7020 15.31702211292404Epoch: 2026-06-20T07:11Z
TLE epoch observation values (Epoch: 2026-06-20T07:11:15.115Z)
Latitude
0.00002°
Longitude
112.00804°
Altitude
471.592 km
Speed
7.631 km/s
True Right ascension
08h 33m 20s
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
21:38:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.883 km
Perigee altitude
470.097 km
Semi-major axis
6,849.127 km
Eccentricity
0.00013
Inclination
53.1607°
RAAN
128.3371°
Arg. of periapsis
87.4131°
True anomaly
272.68707°
Mean anomaly
272.702°
Eccentric anomaly
272.69454°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
-0.000068088
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 21:59:17.216Z | 160.103° S | 2026-06-22 22:01:17.216Z | 121.414° SE | 16.267° | 2026-06-22 22:03:17.216Z | 87.282° E |
| 5 mins | 2026-06-22 23:36:17.216Z | 252.442° W | 2026-06-22 23:38:17.216Z | 309.968° NW | 38.661° | 2026-06-22 23:41:17.216Z | 39.125° NE |
| 5 mins | 2026-06-23 04:32:17.216Z | 334.652° NNW | 2026-06-23 04:35:17.216Z | 32.071° NE | 19.883° | 2026-06-23 04:37:17.216Z | 70.447° E |
| 5 mins | 2026-06-23 06:11:17.216Z | 297.405° NW | 2026-06-23 06:13:17.216Z | 202.448° SSW | 41.765° | 2026-06-23 06:16:17.216Z | 142.218° SSE |
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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