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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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: 3 hours ago
TLE from 3 hours ago
0 STARLINK-1373
1 45544U 20025P 26123.91668980 -.00034626 00000-0 -32386-3 0 9990
2 45544 53.0445 181.5110 0003357 330.2580 307.4217 15.66344483 5981Epoch: 2026-05-03T22:00Z
TLE epoch observation values (Epoch: 2026-05-03T22:00:01.998Z)
Latitude
-52.53047°
Longitude
-87.74743°
Altitude
386.212 km
Speed
7.679 km/s
True Right ascension
06h 56m 17s
True Declination
-52° 21' 18"
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
08:18:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
371.919 km
Perigee altitude
367.389 km
Semi-major axis
6,747.791 km
Eccentricity
0.00034
Inclination
53.0445°
RAAN
181.511°
Arg. of periapsis
330.258°
True anomaly
307.39114°
Mean anomaly
307.4217°
Eccentric anomaly
307.40642°
Mean motion
3.91562 °/min
Orbital period
91.94 mins
BSTAR
-0.00032386
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-04 06:10:52.113Z | 194.297° SSW | 2026-05-04 06:12:52.113Z | 132.888° SE | 29.681° | 2026-05-04 06:14:52.113Z | 73.569° E |
| 4 mins | 2026-05-04 12:36:52.113Z | 347.379° N | 2026-05-04 12:37:52.113Z | 16.109° NNE | 24.205° | 2026-05-04 12:40:52.113Z | 92.677° ESE |
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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