STARLINK-5753, 55581
Orbit data source: Space-Track
STARLINK-5753, 55581 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 Feb 2023 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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55581 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 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: 2 days ago
TLE from 2 days ago
0 STARLINK-5753
1 55581U 23020N 26171.22620305 .00000823 00000-0 39431-4 0 9995
2 55581 43.0021 153.0157 0001205 266.8990 93.1724 15.27575903184515Epoch: 2026-06-20T05:25Z
TLE epoch observation values (Epoch: 2026-06-20T05:25:43.943Z)
Latitude
-0.00001°
Longitude
163.13873°
Altitude
482.883 km
Speed
7.626 km/s
True Right ascension
10h 12m 03s
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
21:43:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.833 km
Perigee altitude
484.179 km
Semi-major axis
6,863.143 km
Eccentricity
0.00012
Inclination
43.0021°
RAAN
153.0157°
Arg. of periapsis
266.899°
True anomaly
93.18619°
Mean anomaly
93.1724°
Eccentric anomaly
93.17929°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000039431
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Other satellites on launch #20 in the year 2023 (2023-02-12 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-5753 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 | 2026-06-23 01:07:05.122Z | 211.353° SW | 2026-06-23 01:10:05.122Z | 131.954° SE | 29.839° | 2026-06-23 01:12:05.122Z | 90.098° ESE |
| 6 mins | 2026-06-23 02:46:05.122Z | 267.079° W | 2026-06-23 02:48:05.122Z | 307.209° NW | 41.496° | 2026-06-23 02:52:05.122Z | 70.669° E |
| 6 mins | 2026-06-23 04:25:05.122Z | 291.76° WNW | 2026-06-23 04:28:05.122Z | 32.674° NE | 37.399° | 2026-06-23 04:31:05.122Z | 82.44° E |
| 6 mins | 2026-06-23 06:04:05.122Z | 283.534° WNW | 2026-06-23 06:07:05.122Z | 159.516° S | 41.939° | 2026-06-23 06:10:05.122Z | 119.421° SE |
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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