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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-1543
1 46053U 20055AC 25346.17770911 -.00000975 00000-0 -46599-4 0 9993
2 46053 53.0534 149.4735 0001455 88.4937 271.6219 15.06394212295846Epoch: 2025-12-12T04:15Z
TLE epoch observation values (Epoch: 2025-12-12T04:15:54.067Z)
Latitude
0.00003°
Longitude
4.37517°
Altitude
548.08 km
Speed
7.589 km/s
True Right ascension
09h 57m 53s
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
13:36:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.508 km
Perigee altitude
546.493 km
Semi-major axis
6,925.637 km
Eccentricity
0.00015
Inclination
53.0534°
RAAN
149.4735°
Arg. of periapsis
88.4937°
True anomaly
271.60523°
Mean anomaly
271.6219°
Eccentric anomaly
271.61357°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
-0.000046599
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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
Loading observer location...
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 | 2025-12-12 15:41:14.246Z | 300.054° NW | 2025-12-12 15:43:14.246Z | 335.699° NNW | 19.329° | 2025-12-12 15:46:14.246Z | 25.983° NE |
| 4 mins | 2025-12-12 19:03:14.246Z | 348.217° N | 2025-12-12 19:05:14.246Z | 27.671° NE | 19.98° | 2025-12-12 19:07:14.246Z | 63.179° ENE |
| 6 mins | 2025-12-12 20:42:14.246Z | 309.056° NW | 2025-12-12 20:45:14.246Z | 141.012° SSE | 44.182° | 2025-12-12 20:48:14.246Z | 132.084° SE |
| 6 mins | 2025-12-13 13:54:14.246Z | 243.814° WSW | 2025-12-13 13:57:14.246Z | 336.509° NNW | 41.927° | 2025-12-13 14:00:14.246Z | 42.84° 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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