STARLINK-1321, 45573
Orbit data source: Space-Track
STARLINK-1321, 45573 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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45573 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-1321
1 45573U 20025AU 26217.84372829 .00050639 00000-0 32879-3 0 9999
2 45573 53.0393 49.7016 0001369 284.0003 76.0864 15.75496217348779Epoch: 2026-08-05T20:14Z
TLE epoch observation values (Epoch: 2026-08-05T20:14:58.124Z)
Latitude
0.00003°
Longitude
151.56713°
Altitude
343.902 km
Speed
7.704 km/s
True Right ascension
03h 18m 48s
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
05:48:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
344.421 km
Perigee altitude
342.581 km
Semi-major axis
6,721.638 km
Eccentricity
0.00014
Inclination
53.0393°
RAAN
49.7016°
Arg. of periapsis
284.0003°
True anomaly
76.10163°
Mean anomaly
76.0864°
Eccentric anomaly
76.09401°
Mean motion
3.9385 °/min
Orbital period
91.41 mins
BSTAR
0.00032879
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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-1321 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 | 2026-08-06 16:15:30.261Z | 266.439° W | 2026-08-06 16:17:30.261Z | 326.2° NNW | 27.822° | 2026-08-06 16:19:30.261Z | 26.689° NE |
| 4 mins | 2026-08-07 15:04:30.261Z | 214.516° SW | 2026-08-07 15:05:30.261Z | 171.197° S | 42.404° | 2026-08-07 15:08:30.261Z | 54.468° 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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