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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-1372
1 45543U 20025N 26255.13776184 .00021255 00000-0 42899-3 0 9997
2 45543 53.1528 304.5224 0003268 45.7404 314.3872 15.46491426352965Epoch: 2026-09-12T03:18Z
TLE epoch observation values (Epoch: 2026-09-12T03:18:22.622Z)
Latitude
-0.00001°
Longitude
-96.22294°
Altitude
426.349 km
Speed
7.658 km/s
True Right ascension
20h 18m 05s
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
04:30:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
429.483 km
Perigee altitude
425.035 km
Semi-major axis
6,805.396 km
Eccentricity
0.00033
Inclination
53.1528°
RAAN
304.5224°
Arg. of periapsis
45.7404°
True anomaly
314.36043°
Mean anomaly
314.3872°
Eccentric anomaly
314.37382°
Mean motion
3.86601 °/min
Orbital period
93.12 mins
BSTAR
0.00042899
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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 | 2026-09-12 13:06:29.834Z | 310.439° NW | 2026-09-12 13:09:29.834Z | 84.233° E | 87.974° | 2026-09-12 13:12:29.834Z | 130.469° SE |
| 5 mins | 2026-09-13 05:51:29.834Z | 220.164° SW | 2026-09-13 05:53:29.834Z | 178.36° S | 68.05° | 2026-09-13 05:56:29.834Z | 54.436° ENE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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