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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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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-5728
1 55588U 23020V 26263.95158722 .00000382 00000-0 23428-4 0 9992
2 55588 43.0051 342.6367 0001892 282.0294 78.0345 15.27576992198776Epoch: 2026-09-20T22:50Z
TLE epoch observation values (Epoch: 2026-09-20T22:50:17.135Z)
Latitude
-0.00007°
Longitude
0.22682°
Altitude
482.565 km
Speed
7.626 km/s
True Right ascension
22h 50m 32s
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
03:12:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.301 km
Perigee altitude
483.704 km
Semi-major axis
6,863.139 km
Eccentricity
0.00019
Inclination
43.0051°
RAAN
342.6367°
Arg. of periapsis
282.0294°
True anomaly
78.05571°
Mean anomaly
78.0345°
Eccentric anomaly
78.04511°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000023428
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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 | 2026-09-21 11:45:19.563Z | 292.814° NW | 2026-09-21 11:47:19.563Z | 346.195° N | 50.008° | 2026-09-21 11:50:19.563Z | 74.666° E |
| 6 mins | 2026-09-21 13:24:19.563Z | 287.662° WNW | 2026-09-21 13:26:19.563Z | 280.219° WNW | 71.05° | 2026-09-21 13:30:19.563Z | 111.036° ESE |
| 4 mins | 2026-09-22 08:00:19.563Z | 187.979° SSW | 2026-09-22 08:02:19.563Z | 135.137° SSE | 27.538° | 2026-09-22 08:04:19.563Z | 95.329° ESE |
| 6 mins | 2026-09-22 09:38:19.563Z | 258.837° W | 2026-09-22 09:40:19.563Z | 288.867° WNW | 70.458° | 2026-09-22 09:44:19.563Z | 70.779° 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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