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 25260.92194302 .00001175 00000-0 97788-4 0 9992
2 46053 53.0537 172.2013 0001277 95.3474 264.7661 15.06397374282995Epoch: 2025-09-17T22:07Z
TLE epoch observation values (Epoch: 2025-09-17T22:07:35.876Z)
Latitude
-0.00002°
Longitude
-156.78915°
Altitude
548.179 km
Speed
7.589 km/s
True Right ascension
11h 28m 48s
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
22:43:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.375 km
Perigee altitude
546.606 km
Semi-major axis
6,925.627 km
Eccentricity
0.00013
Inclination
53.0537°
RAAN
172.2013°
Arg. of periapsis
95.3474°
True anomaly
264.75153°
Mean anomaly
264.7661°
Eccentric anomaly
264.75881°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.000097788
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-18 20:34:39.303Z | 217.994° SW | 2025-09-18 20:38:39.303Z | 133.548° SE | 42.094° | 2025-09-18 20:42:39.303Z | 55.552° ENE |
| 5 mins | 2025-09-18 22:16:39.303Z | 297.107° NW | 2025-09-18 22:18:39.303Z | 340.586° N | 22.872° | 2025-09-18 22:21:39.303Z | 30.135° NE |
| 4 mins | 2025-09-19 01:38:39.303Z | 353.629° N | 2025-09-19 01:39:39.303Z | 11.516° NNE | 17.092° | 2025-09-19 01:42:39.303Z | 60.379° ENE |
| 6 mins | 2025-09-19 03:17:39.303Z | 320.06° NNW | 2025-09-19 03:19:39.303Z | 357.373° N | 40.274° | 2025-09-19 03:23:39.303Z | 118.339° SE |
| 4 mins | 2025-09-19 04:57:39.303Z | 261.234° W | 2025-09-19 04:59:39.303Z | 226° WSW | 16.497° | 2025-09-19 05:01:39.303Z | 194.893° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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