STARLINK-2143, 47733
Orbit data source: Space-Track
STARLINK-2143, 47733 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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47733 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-2143
1 47733U 21017M 26170.96598653 .00000522 00000-0 28605-4 0 9996
2 47733 53.1593 100.8837 0001470 99.8978 260.2189 15.31702141293389Epoch: 2026-06-19T23:11Z
TLE epoch observation values (Epoch: 2026-06-19T23:11:01.236Z)
Latitude
-0.00004°
Longitude
-155.05886°
Altitude
471.805 km
Speed
7.631 km/s
True Right ascension
06h 43m 32s
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
21:34:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.997 km
Perigee altitude
469.983 km
Semi-major axis
6,849.127 km
Eccentricity
0.00015
Inclination
53.1593°
RAAN
100.8837°
Arg. of periapsis
99.8978°
True anomaly
260.2023°
Mean anomaly
260.2189°
Eccentric anomaly
260.2106°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000028605
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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-2143 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 20:14:56.698Z | 169.823° S | 2026-06-22 20:16:56.698Z | 128.166° SE | 19.976° | 2026-06-22 20:18:56.698Z | 87.608° E |
| 5 mins | 2026-06-22 21:52:56.698Z | 269.78° W | 2026-06-22 21:54:56.698Z | 348.762° N | 33.538° | 2026-06-22 21:57:56.698Z | 39.249° NE |
| 4 mins | 2026-06-23 02:49:56.698Z | 358.416° N | 2026-06-23 02:50:56.698Z | 23.629° NE | 22.281° | 2026-06-23 02:53:56.698Z | 82.195° E |
| 5 mins | 2026-06-23 04:26:56.698Z | 292.376° WNW | 2026-06-23 04:28:56.698Z | 232.164° WSW | 37.556° | 2026-06-23 04:31:56.698Z | 151.403° SSE |
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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