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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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-1543
1 46053U 20055AC 25297.47908209 -.00005085 00000-0 -32275-3 0 9996
2 46053 53.0553 8.0889 0001356 101.5274 258.5868 15.06399467288504Epoch: 2025-10-24T11:29Z
TLE epoch observation values (Epoch: 2025-10-24T11:29:52.692Z)
Latitude
0.00003°
Longitude
162.49598°
Altitude
548.278 km
Speed
7.589 km/s
True Right ascension
00h 32m 21s
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
23:18:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.423 km
Perigee altitude
546.545 km
Semi-major axis
6,925.621 km
Eccentricity
0.00014
Inclination
53.0553°
RAAN
8.0889°
Arg. of periapsis
101.5274°
True anomaly
258.57157°
Mean anomaly
258.5868°
Eccentric anomaly
258.57918°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
-0.00032275
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-25 06:45:24.660Z | 193.409° SSW | 2025-10-25 06:48:24.660Z | 140.424° SSE | 28.401° | 2025-10-25 06:51:24.660Z | 74.637° E |
| 6 mins | 2025-10-25 08:25:24.660Z | 267.247° W | 2025-10-25 08:28:24.660Z | 338.46° N | 31.071° | 2025-10-25 08:31:24.660Z | 34.355° NE |
| 6 mins | 2025-10-25 13:27:24.660Z | 331.442° NNW | 2025-10-25 13:30:24.660Z | 47.17° ENE | 30.745° | 2025-10-25 13:33:24.660Z | 98.327° ESE |
| 5 mins | 2025-10-25 15:07:24.660Z | 277.167° WNW | 2025-10-25 15:09:24.660Z | 229.406° WSW | 28.477° | 2025-10-25 15:12:24.660Z | 169.204° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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