STARLINK-2377, 47797
Orbit data source: Space-Track
STARLINK-2377, 47797 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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47797 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-2377
1 47797U 21018L 25292.04417324 .00003588 00000-0 25960-3 0 9990
2 47797 53.0546 172.4919 0001362 88.9723 271.1422 15.06401878255170Epoch: 2025-10-19T01:03Z
TLE epoch observation values (Epoch: 2025-10-19T01:03:36.567Z)
Latitude
-0.00005°
Longitude
128.82301°
Altitude
548.066 km
Speed
7.589 km/s
True Right ascension
11h 29m 58s
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
13:21:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.42 km
Perigee altitude
546.533 km
Semi-major axis
6,925.614 km
Eccentricity
0.00014
Inclination
53.0546°
RAAN
172.4919°
Arg. of periapsis
88.9723°
True anomaly
271.1266°
Mean anomaly
271.1422°
Eccentric anomaly
271.1344°
Mean motion
3.76579 °/min
Orbital period
95.6 mins
BSTAR
0.0002596
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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-2377 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 | 2025-10-19 18:44:25.357Z | 222.228° SW | 2025-10-19 18:48:25.357Z | 113.835° SE | 43.697° | 2025-10-19 18:51:25.357Z | 54.671° ENE |
| 5 mins | 2025-10-19 20:26:25.357Z | 300.968° NW | 2025-10-19 20:28:25.357Z | 342.845° N | 21.483° | 2025-10-19 20:31:25.357Z | 30.31° NE |
| 4 mins | 2025-10-19 23:48:25.357Z | 354.861° N | 2025-10-19 23:49:25.357Z | 13.439° NNE | 17.978° | 2025-10-19 23:52:25.357Z | 63.29° ENE |
| 6 mins | 2025-10-20 01:27:25.357Z | 316.949° NNW | 2025-10-20 01:29:25.357Z | 352.685° N | 42.488° | 2025-10-20 01:33:25.357Z | 123.074° SE |
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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