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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-1373
1 45544U 20025P 25287.73438770 -.00001371 00000-0 -73216-4 0 9991
2 45544 53.0563 41.8357 0001651 107.7171 252.3999 15.06385578303093Epoch: 2025-10-14T17:37Z
TLE epoch observation values (Epoch: 2025-10-14T17:37:31.097Z)
Latitude
0.00004°
Longitude
113.9376°
Altitude
548.481 km
Speed
7.589 km/s
True Right ascension
02h 47m 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
02:16:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.67 km
Perigee altitude
546.383 km
Semi-major axis
6,925.663 km
Eccentricity
0.00017
Inclination
53.0563°
RAAN
41.8357°
Arg. of periapsis
107.7171°
True anomaly
252.38187°
Mean anomaly
252.3999°
Eccentric anomaly
252.39088°
Mean motion
3.76575 °/min
Orbital period
95.6 mins
BSTAR
-0.000073216
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-15 09:41:35.480Z | 196.234° SSW | 2025-10-15 09:45:35.480Z | 120.998° SE | 28.392° | 2025-10-15 09:48:35.480Z | 69.586° E |
| 5 mins | 2025-10-15 11:22:35.480Z | 274.017° WNW | 2025-10-15 11:24:35.480Z | 323.649° NNW | 31.178° | 2025-10-15 11:27:35.480Z | 31.156° NE |
| 5 mins | 2025-10-15 16:24:35.480Z | 338.604° N | 2025-10-15 16:26:35.480Z | 32.522° NE | 31.501° | 2025-10-15 16:29:35.480Z | 95.605° ESE |
| 6 mins | 2025-10-15 18:03:35.480Z | 282.036° WNW | 2025-10-15 18:05:35.480Z | 241.958° WSW | 27.793° | 2025-10-15 18:09:35.480Z | 164.914° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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