STARLINK-1373, 45544
Orbit data source: Space-Track
STARLINK-1373, 45544 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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45544 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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-1373
1 45544U 20025P 26020.99164686 .00032981 00000-0 78445-3 0 9994
2 45544 53.0551 316.4991 0003512 100.5546 259.5854 15.41362128317965Epoch: 2026-01-20T23:47Z
TLE epoch observation values (Epoch: 2026-01-20T23:47:58.288Z)
Latitude
-0.00003°
Longitude
-160.85936°
Altitude
443.415 km
Speed
7.647 km/s
True Right ascension
21h 05m 59s
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
08:15:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
444.758 km
Perigee altitude
439.968 km
Semi-major axis
6,820.5 km
Eccentricity
0.00035
Inclination
53.0551°
RAAN
316.4991°
Arg. of periapsis
100.5546°
True anomaly
259.54582°
Mean anomaly
259.5854°
Eccentric anomaly
259.56561°
Mean motion
3.85318 °/min
Orbital period
93.43 mins
BSTAR
0.00078445
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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-1373 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 | 2026-01-21 21:45:10.757Z | 201.961° SSW | 2026-01-21 21:48:10.757Z | 114.333° SE | 32.594° | 2026-01-21 21:50:10.757Z | 68.865° E |
| 4 mins | 2026-01-21 23:23:10.757Z | 286.13° WNW | 2026-01-21 23:25:10.757Z | 335.086° NNW | 23.003° | 2026-01-21 23:27:10.757Z | 20.425° NNE |
| 4 mins | 2026-01-22 04:18:10.757Z | 342.213° N | 2026-01-22 04:20:10.757Z | 53.526° ENE | 29.73° | 2026-01-22 04:22:10.757Z | 96.47° ESE |
| 4 mins | 2026-01-22 05:55:10.757Z | 267.801° W | 2026-01-22 05:57:10.757Z | 216.727° SW | 21.54° | 2026-01-22 05:59:10.757Z | 178.012° 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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