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 25345.08844320 .00000117 00000-0 23725-4 0 9998
2 55588 43.0028 125.8776 0001326 270.1071 89.9620 15.02537630155597Epoch: 2025-12-11T02:07Z
TLE epoch observation values (Epoch: 2025-12-11T02:07:21.492Z)
Latitude
0.00002°
Longitude
13.98864°
Altitude
558.852 km
Speed
7.584 km/s
True Right ascension
08h 23m 30s
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
14:02:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.918 km
Perigee altitude
560.078 km
Semi-major axis
6,939.135 km
Eccentricity
0.00013
Inclination
43.0028°
RAAN
125.8776°
Arg. of periapsis
270.1071°
True anomaly
89.97719°
Mean anomaly
89.962°
Eccentric anomaly
89.9696°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.000023725
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-11 16:52:34.749Z | 289.248° WNW | 2025-12-11 16:56:34.749Z | 41.374° NE | 42.284° | 2025-12-11 16:59:34.749Z | 94.017° ESE |
| 6 mins | 2025-12-11 18:34:34.749Z | 268.836° W | 2025-12-11 18:36:34.749Z | 221.959° SW | 33.685° | 2025-12-11 18:40:34.749Z | 139.165° SSE |
| 4 mins | 2025-12-12 11:49:34.749Z | 177.082° S | 2025-12-12 11:51:34.749Z | 136.951° SSE | 20.838° | 2025-12-12 11:53:34.749Z | 102.155° ESE |
| 7 mins | 2025-12-12 13:28:34.749Z | 246.797° WSW | 2025-12-12 13:31:34.749Z | 152.083° SSE | 44.827° | 2025-12-12 13:35:34.749Z | 72.582° E |
| 6 mins | 2025-12-12 15:09:34.749Z | 284.343° WNW | 2025-12-12 15:12:34.749Z | 8.698° NNE | 39.322° | 2025-12-12 15:15:34.749Z | 73.239° E |
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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