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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-1543
1 46053U 20055AC 26024.50224348 .00002729 00000-0 20201-3 0 9990
2 46053 53.0528 314.9840 0001019 102.6152 257.4951 15.06397923302373Epoch: 2026-01-24T12:03Z
TLE epoch observation values (Epoch: 2026-01-24T12:03:13.836Z)
Latitude
-0.00003°
Longitude
10.35055°
Altitude
548.25 km
Speed
7.589 km/s
True Right ascension
20h 59m 56s
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
21:53:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.195 km
Perigee altitude
546.783 km
Semi-major axis
6,925.626 km
Eccentricity
0.0001
Inclination
53.0528°
RAAN
314.984°
Arg. of periapsis
102.6152°
True anomaly
257.4837°
Mean anomaly
257.4951°
Eccentric anomaly
257.4894°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.00020201
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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 | 2026-01-24 21:46:03.992Z | 214.27° SW | 2026-01-24 21:50:03.992Z | 114.372° SE | 39.872° | 2026-01-24 21:53:03.992Z | 59.202° ENE |
| 5 mins | 2026-01-24 23:27:03.992Z | 285.339° WNW | 2026-01-24 23:29:03.992Z | 322.244° NNW | 23.543° | 2026-01-24 23:32:03.992Z | 23.568° NE |
| 6 mins | 2026-01-25 04:29:03.992Z | 324.335° NNW | 2026-01-25 04:31:03.992Z | 20.472° NNE | 40.341° | 2026-01-25 04:35:03.992Z | 116.232° SE |
| 4 mins | 2026-01-25 06:09:03.992Z | 258.37° W | 2026-01-25 06:10:03.992Z | 240.14° WSW | 17.929° | 2026-01-25 06:13:03.992Z | 189.747° SSW |
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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