STARLINK-2140, 47730
Orbit data source: Space-Track
STARLINK-2140, 47730 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 04 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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47730 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: 1 day ago
TLE from 1 day ago
0 STARLINK-2140
1 47730U 21017J 26235.31221077 .00004538 00000-0 15770-3 0 9996
2 47730 53.1612 161.5940 0001482 84.7659 275.3512 15.31742200303186Epoch: 2026-08-23T07:29Z
TLE epoch observation values (Epoch: 2026-08-23T07:29:35.010Z)
Latitude
0.00001°
Longitude
77.58806°
Altitude
471.42 km
Speed
7.632 km/s
True Right ascension
10h 46m 22s
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
02:49:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.886 km
Perigee altitude
469.856 km
Semi-major axis
6,849.008 km
Eccentricity
0.00015
Inclination
53.1612°
RAAN
161.594°
Arg. of periapsis
84.7659°
True anomaly
275.33429°
Mean anomaly
275.3512°
Eccentric anomaly
275.34275°
Mean motion
3.82914 °/min
Orbital period
94.02 mins
BSTAR
0.0001577
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Other satellites on launch #17 in the year 2021 (2021-03-04 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-2140 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 | 2026-08-24 21:14:53.598Z | 210.36° SW | 2026-08-24 21:17:53.598Z | 115.269° SE | 38.517° | 2026-08-24 21:20:53.598Z | 58.983° ENE |
| 4 mins | 2026-08-24 22:53:53.598Z | 294.087° NW | 2026-08-24 22:55:53.598Z | 340.519° N | 21.392° | 2026-08-24 22:57:53.598Z | 20.541° NNE |
| 5 mins | 2026-08-25 03:49:53.598Z | 327.508° NNW | 2026-08-25 03:51:53.598Z | 18.161° NNE | 35.5° | 2026-08-25 03:54:53.598Z | 105.93° 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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