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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-1321
1 45573U 20025AU 26077.53190902 .00079247 00000-0 13833-2 0 9993
2 45573 53.0491 16.1080 0004529 94.2858 265.8667 15.50012674326833Epoch: 2026-03-18T12:45Z
TLE epoch observation values (Epoch: 2026-03-18T12:45:56.939Z)
Latitude
-0.00005°
Longitude
8.52638°
Altitude
417.808 km
Speed
7.662 km/s
True Right ascension
01h 04m 25s
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
10:29:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
420.043 km
Perigee altitude
413.888 km
Semi-major axis
6,795.103 km
Eccentricity
0.00045
Inclination
53.0491°
RAAN
16.108°
Arg. of periapsis
94.2858°
True anomaly
265.81494°
Mean anomaly
265.8667°
Eccentric anomaly
265.84082°
Mean motion
3.8748 °/min
Orbital period
92.91 mins
BSTAR
0.0013833
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-03-19 06:19:06.171Z | 283.711° WNW | 2026-03-19 06:22:06.171Z | 218.335° SW | 21.557° | 2026-03-19 06:24:06.171Z | 177.29° S |
| 4 mins | 2026-03-19 23:02:06.171Z | 271.448° WNW | 2026-03-19 23:04:06.171Z | 339.756° N | 30.171° | 2026-03-19 23:06:06.171Z | 29.377° NE |
| 4 mins | 2026-03-20 03:55:06.171Z | 348.002° N | 2026-03-20 03:57:06.171Z | 39.357° NE | 20.609° | 2026-03-20 03:59:06.171Z | 79.244° E |
| 4 mins | 2026-03-20 05:32:06.171Z | 279.963° WNW | 2026-03-20 05:33:06.171Z | 244.87° WSW | 33.92° | 2026-03-20 05:36:06.171Z | 154.265° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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