STARLINK-5728, 55588
Orbit data source: Space-Track
STARLINK-5728, 55588 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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55588 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
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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-5728
1 55588U 23020V 25340.56795754 -.00000228 00000-0 -18452-5 0 9999
2 55588 43.0018 150.4408 0001218 262.9480 97.1224 15.02534608154913Epoch: 2025-12-06T13:37Z
TLE epoch observation values (Epoch: 2025-12-06T13:37:51.531Z)
Latitude
-0.00001°
Longitude
-129.61775°
Altitude
558.967 km
Speed
7.584 km/s
True Right ascension
10h 01m 45s
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
02:09:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.853 km
Perigee altitude
560.162 km
Semi-major axis
6,939.144 km
Eccentricity
0.00012
Inclination
43.0018°
RAAN
150.4408°
Arg. of periapsis
262.948°
True anomaly
97.13625°
Mean anomaly
97.1224°
Eccentric anomaly
97.12932°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
-0.0000018452
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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-5728 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 | 2025-12-07 13:44:22.947Z | 184.241° SSW | 2025-12-07 13:47:22.947Z | 134.218° SE | 18.078° | 2025-12-07 13:49:22.947Z | 102.704° ESE |
| 6 mins | 2025-12-07 15:24:22.947Z | 240.973° WSW | 2025-12-07 15:27:22.947Z | 128.115° SE | 43.745° | 2025-12-07 15:30:22.947Z | 74.623° E |
| 6 mins | 2025-12-07 17:05:22.947Z | 283.196° WNW | 2025-12-07 17:08:22.947Z | 20.344° NNE | 38.923° | 2025-12-07 17:11:22.947Z | 72.764° E |
| 6 mins | 2025-12-07 18:46:22.947Z | 292.02° WNW | 2025-12-07 18:49:22.947Z | 64.123° ENE | 42.369° | 2025-12-07 18:52:22.947Z | 98.772° ESE |
| 5 mins | 2025-12-07 20:27:22.947Z | 262.587° W | 2025-12-07 20:29:22.947Z | 213.787° SW | 30.552° | 2025-12-07 20:32:22.947Z | 150.32° 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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