STARLINK-1543, 46053
Orbit data source: Space-Track
STARLINK-1543, 46053 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 07 Aug 2020 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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46053 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-1543
1 46053U 20055AC 26174.88412635 .00001011 00000-0 44337-4 0 9995
2 46053 53.1615 339.9670 0001607 87.9702 272.1483 15.31702961325344Epoch: 2026-06-23T21:13Z
TLE epoch observation values (Epoch: 2026-06-23T21:13:08.516Z)
Latitude
-0.00007°
Longitude
109.63218°
Altitude
471.591 km
Speed
7.631 km/s
True Right ascension
22h 39m 52s
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
16:42:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.088 km
Perigee altitude
469.887 km
Semi-major axis
6,849.125 km
Eccentricity
0.00016
Inclination
53.1615°
RAAN
339.967°
Arg. of periapsis
87.9702°
True anomaly
272.1299°
Mean anomaly
272.1483°
Eccentric anomaly
272.1391°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.000044337
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Other satellites on launch #55 in the year 2020 (2020-08-07 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-1543 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 | 2026-06-25 12:31:44.350Z | 179.967° S | 2026-06-25 12:33:44.350Z | 139.227° SSE | 22.969° | 2026-06-25 12:36:44.350Z | 76.849° E |
| 5 mins | 2026-06-25 14:09:44.350Z | 269.867° W | 2026-06-25 14:11:44.350Z | 328.142° NNW | 31.621° | 2026-06-25 14:14:44.350Z | 34.575° NE |
| 4 mins | 2026-06-25 19:06:44.350Z | 348.279° N | 2026-06-25 19:08:44.350Z | 41.348° NE | 23.941° | 2026-06-25 19:10:44.350Z | 81.599° E |
| 4 mins | 2026-06-25 20:44:44.350Z | 278.065° WNW | 2026-06-25 20:45:44.350Z | 248.772° W | 32.204° | 2026-06-25 20:48:44.350Z | 160.692° 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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