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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-1543
1 46053U 20055AC 26218.47140533 -.00002910 00000-0 -82081-4 0 9993
2 46053 53.1604 137.0449 0001380 98.6670 261.4488 15.31688173332021Epoch: 2026-08-06T11:18Z
TLE epoch observation values (Epoch: 2026-08-06T11:18:49.420Z)
Latitude
-0.00001°
Longitude
12.328°
Altitude
471.816 km
Speed
7.631 km/s
True Right ascension
09h 08m 10s
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
12:17:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.977 km
Perigee altitude
470.087 km
Semi-major axis
6,849.169 km
Eccentricity
0.00014
Inclination
53.1604°
RAAN
137.0449°
Arg. of periapsis
98.667°
True anomaly
261.43316°
Mean anomaly
261.4488°
Eccentric anomaly
261.44098°
Mean motion
3.82901 °/min
Orbital period
94.02 mins
BSTAR
-0.000082081
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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 | 2026-08-06 22:30:10.172Z | 271.977° WNW | 2026-08-06 22:33:10.172Z | 339.588° N | 25.812° | 2026-08-06 22:35:10.172Z | 23.52° NE |
| 5 mins | 2026-08-07 03:27:10.172Z | 333.226° NNW | 2026-08-07 03:29:10.172Z | 18.838° NNE | 29.081° | 2026-08-07 03:32:10.172Z | 94° ESE |
| 5 mins | 2026-08-07 05:05:10.172Z | 278.089° WNW | 2026-08-07 05:07:10.172Z | 230.825° WSW | 25.635° | 2026-08-07 05:10:10.172Z | 169.524° S |
| 5 mins | 2026-08-07 20:22:10.172Z | 181.585° SSW | 2026-08-07 20:24:10.172Z | 131.582° SE | 26.578° | 2026-08-07 20:27:10.172Z | 71.152° E |
| 5 mins | 2026-08-07 22:00:10.172Z | 278.801° WNW | 2026-08-07 22:02:10.172Z | 337.927° N | 28.619° | 2026-08-07 22:05:10.172Z | 34.453° NE |
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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