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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 STARLINK-1543
1 46053U 20055AC 25256.21131615 -.00001464 00000-0 -79424-4 0 9997
2 46053 53.0547 193.3492 0000831 56.6068 303.5000 15.06401020282280Epoch: 2025-09-13T05:04Z
TLE epoch observation values (Epoch: 2025-09-13T05:04:17.715Z)
Latitude
-0.00005°
Longitude
124.82742°
Altitude
547.77 km
Speed
7.589 km/s
True Right ascension
12h 53m 23s
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
05:33:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.055 km
Perigee altitude
546.904 km
Semi-major axis
6,925.616 km
Eccentricity
0.00008
Inclination
53.0547°
RAAN
193.3492°
Arg. of periapsis
56.6068°
True anomaly
303.49206°
Mean anomaly
303.5°
Eccentric anomaly
303.49603°
Mean motion
3.76579 °/min
Orbital period
95.6 mins
BSTAR
-0.000079424
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-13 22:46:36.710Z | 234.028° WSW | 2025-09-13 22:49:36.710Z | 324.937° NNW | 44.624° | 2025-09-13 22:53:36.710Z | 48.541° ENE |
| 5 mins | 2025-09-14 00:27:36.710Z | 303.021° NW | 2025-09-14 00:29:36.710Z | 339.026° N | 18.88° | 2025-09-14 00:32:36.710Z | 27.309° NE |
| 4 mins | 2025-09-14 03:49:36.710Z | 350.253° N | 2025-09-14 03:51:36.710Z | 31.257° NE | 20.411° | 2025-09-14 03:53:36.710Z | 66.123° ENE |
| 6 mins | 2025-09-14 05:28:36.710Z | 307.129° NW | 2025-09-14 05:31:36.710Z | 150.941° SSE | 42.97° | 2025-09-14 05:34:36.710Z | 134.381° SE |
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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