STARLINK-5727, 55587
Orbit data source: Space-Track
STARLINK-5727, 55587 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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55587 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 STARLINK-5727
1 55587U 23020U 25340.58015562 -.00000274 00000-0 -51922-5 0 9992
2 55587 43.0020 150.4699 0001202 269.4620 90.6085 15.02530335154914Epoch: 2025-12-06T13:55Z
TLE epoch observation values (Epoch: 2025-12-06T13:55:25.445Z)
Latitude
0.00001°
Longitude
-133.99197°
Altitude
558.884 km
Speed
7.584 km/s
True Right ascension
10h 01m 52s
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
01:14:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.855 km
Perigee altitude
560.186 km
Semi-major axis
6,939.158 km
Eccentricity
0.00012
Inclination
43.002°
RAAN
150.4699°
Arg. of periapsis
269.462°
True anomaly
90.62227°
Mean anomaly
90.6085°
Eccentric anomaly
90.61539°
Mean motion
3.75477 °/min
Orbital period
95.88 mins
BSTAR
-0.0000051922
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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-5727 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-07 14:02:27.070Z | 195.444° SSW | 2025-12-07 14:05:27.070Z | 141.067° SSE | 22.996° | 2025-12-07 14:08:27.070Z | 91.896° ESE |
| 7 mins | 2025-12-07 15:42:27.070Z | 250.534° W | 2025-12-07 15:45:27.070Z | 247.964° W | 44.705° | 2025-12-07 15:49:27.070Z | 72.031° E |
| 7 mins | 2025-12-07 17:23:27.070Z | 284.617° WNW | 2025-12-07 17:26:27.070Z | 355.085° N | 39.362° | 2025-12-07 17:30:27.070Z | 77.594° E |
| 7 mins | 2025-12-07 19:04:27.070Z | 289.12° WNW | 2025-12-07 19:07:27.070Z | 33.749° NE | 44.877° | 2025-12-07 19:11:27.070Z | 106.488° ESE |
| 5 mins | 2025-12-07 20:45:27.070Z | 261.599° W | 2025-12-07 20:47:27.070Z | 223.564° SW | 24.915° | 2025-12-07 20:50:27.070Z | 162.755° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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