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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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-5727
1 55587U 23020U 26171.23103003 .00000040 00000-0 10953-4 0 9992
2 55587 43.0019 146.1587 0000448 273.0721 87.0080 15.27576836184599Epoch: 2026-06-20T05:32Z
TLE epoch observation values (Epoch: 2026-06-20T05:32:40.994Z)
Latitude
0.00002°
Longitude
154.53928°
Altitude
482.818 km
Speed
7.626 km/s
True Right ascension
09h 44m 38s
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
21:37:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.311 km
Perigee altitude
484.696 km
Semi-major axis
6,863.14 km
Eccentricity
0.00004
Inclination
43.0019°
RAAN
146.1587°
Arg. of periapsis
273.0721°
True anomaly
87.01313°
Mean anomaly
87.008°
Eccentric anomaly
87.01056°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000010953
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-23 01:16:26.892Z | 227.185° WSW | 2026-06-23 01:18:26.892Z | 131.775° SE | 40.732° | 2026-06-23 01:21:26.892Z | 76.616° E |
| 5 mins | 2026-06-23 02:55:26.892Z | 286.3° WNW | 2026-06-23 02:57:26.892Z | 11.41° NNE | 38.884° | 2026-06-23 03:00:26.892Z | 70.909° E |
| 5 mins | 2026-06-23 04:34:26.892Z | 296.559° NW | 2026-06-23 04:36:26.892Z | 14.542° NNE | 41.783° | 2026-06-23 04:39:26.892Z | 91.707° ESE |
| 5 mins | 2026-06-23 06:13:26.892Z | 265.944° W | 2026-06-23 06:15:26.892Z | 201.211° SSW | 33.847° | 2026-06-23 06:18:26.892Z | 138.586° 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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