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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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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-1372
1 45543U 20025N 25287.58326547 -.00000754 00000-0 -31738-4 0 9998
2 45543 53.0554 42.5146 0001238 92.8810 267.2321 15.06380779302160Epoch: 2025-10-14T13:59Z
TLE epoch observation values (Epoch: 2025-10-14T13:59:54.136Z)
Latitude
-0°
Longitude
169.16942°
Altitude
548.191 km
Speed
7.589 km/s
True Right ascension
02h 50m 03s
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
02:17:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.398 km
Perigee altitude
546.684 km
Semi-major axis
6,925.678 km
Eccentricity
0.00012
Inclination
53.0554°
RAAN
42.5146°
Arg. of periapsis
92.881°
True anomaly
267.21793°
Mean anomaly
267.2321°
Eccentric anomaly
267.22502°
Mean motion
3.76573 °/min
Orbital period
95.6 mins
BSTAR
-0.000031738
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-10-15 09:15:33.960Z | 166.135° S | 2025-10-15 09:17:33.960Z | 132.665° SE | 18.146° | 2025-10-15 09:20:33.960Z | 83.473° E |
| 6 mins | 2025-10-15 10:54:33.960Z | 250.146° W | 2025-10-15 10:56:33.960Z | 293.485° NW | 39.306° | 2025-10-15 11:00:33.960Z | 42.682° NE |
| 4 mins | 2025-10-15 12:35:33.960Z | 314.598° NW | 2025-10-15 12:37:33.960Z | 349.843° N | 16.506° | 2025-10-15 12:39:33.960Z | 21.296° NNE |
| 5 mins | 2025-10-15 15:56:33.960Z | 340.813° N | 2025-10-15 15:58:33.960Z | 21.144° NNE | 23.953° | 2025-10-15 16:01:33.960Z | 78.708° E |
| 6 mins | 2025-10-15 17:35:33.960Z | 299.239° NW | 2025-10-15 17:38:33.960Z | 219.719° SW | 40.364° | 2025-10-15 17:41:33.960Z | 148.209° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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