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: 4 hours ago
TLE from 4 hours ago
0 STARLINK-1543
1 46053U 20055AC 26266.29993035 .00000976 00000-0 43196-4 0 9991
2 46053 53.1609 274.3731 0001853 84.5899 275.5314 15.31714974339353Epoch: 2026-09-23T07:11Z
TLE epoch observation values (Epoch: 2026-09-23T07:11:53.982Z)
Latitude
0.00001°
Longitude
164.24514°
Altitude
471.474 km
Speed
7.632 km/s
True Right ascension
18h 17m 29s
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
04:07:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.221 km
Perigee altitude
469.683 km
Semi-major axis
6,849.089 km
Eccentricity
0.00019
Inclination
53.1609°
RAAN
274.3731°
Arg. of periapsis
84.5899°
True anomaly
275.51026°
Mean anomaly
275.5314°
Eccentric anomaly
275.52083°
Mean motion
3.82908 °/min
Orbital period
94.02 mins
BSTAR
0.000043196
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-09-24 02:08:30.172Z | 166.172° S | 2026-09-24 02:10:30.172Z | 130.994° SE | 16.927° | 2026-09-24 02:12:30.172Z | 93.59° ESE |
| 5 mins | 2026-09-24 03:46:30.172Z | 257.668° W | 2026-09-24 03:48:30.172Z | 349.295° N | 51.782° | 2026-09-24 03:51:30.172Z | 41.672° NE |
| 4 mins | 2026-09-24 08:43:30.172Z | 357.94° N | 2026-09-24 08:44:30.172Z | 20.394° NNE | 21.043° | 2026-09-24 08:47:30.172Z | 75.895° E |
| 5 mins | 2026-09-24 10:20:30.172Z | 301.614° NW | 2026-09-24 10:22:30.172Z | 256.229° W | 63.589° | 2026-09-24 10:25:30.172Z | 142.362° SSE |
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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