STARLINK-1372, 45543
Orbit data source: Space-Track
STARLINK-1372, 45543 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 22 Apr 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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45543 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-1372
1 45543U 20025N 26170.85593206 .00040904 00000-0 10477-2 0 9992
2 45543 53.1576 343.5848 0001776 183.0675 177.0319 15.39013495339953Epoch: 2026-06-19T20:32Z
TLE epoch observation values (Epoch: 2026-06-19T20:32:32.529Z)
Latitude
-0.00005°
Longitude
127.37032°
Altitude
451.139 km
Speed
7.642 km/s
True Right ascension
22h 54m 20s
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
21:58:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
450.496 km
Perigee altitude
448.07 km
Semi-major axis
6,827.42 km
Eccentricity
0.00018
Inclination
53.1576°
RAAN
343.5848°
Arg. of periapsis
183.0675°
True anomaly
177.03295°
Mean anomaly
177.0319°
Eccentric anomaly
177.03243°
Mean motion
3.84732 °/min
Orbital period
93.57 mins
BSTAR
0.0010477
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Other satellites on launch #25 in the year 2020 (2020-04-22 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-1372 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-20 13:51:21.606Z | 205.95° SW | 2026-06-20 13:54:21.606Z | 113.337° SE | 35.383° | 2026-06-20 13:57:21.606Z | 60.527° ENE |
| 4 mins | 2026-06-20 15:30:21.606Z | 303.202° NW | 2026-06-20 15:31:21.606Z | 329.066° NNW | 21.989° | 2026-06-20 15:34:21.606Z | 28.243° NE |
| 5 mins | 2026-06-20 20:24:21.606Z | 330.752° NNW | 2026-06-20 20:26:21.606Z | 22.594° NE | 32.465° | 2026-06-20 20:29:21.606Z | 101.876° ESE |
| 4 mins | 2026-06-20 22:02:21.606Z | 262.78° W | 2026-06-20 22:03:21.606Z | 239.933° WSW | 20.278° | 2026-06-20 22:06:21.606Z | 179.014° S |
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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