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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-5727
1 55587U 23020U 26062.00137030 .00009240 00000-0 69861-3 0 9995
2 55587 43.0054 40.8793 0000146 272.7668 87.3158 15.02512130167914Epoch: 2026-03-03T00:01Z
TLE epoch observation values (Epoch: 2026-03-03T00:01:58.393Z)
Latitude
-0.00001°
Longitude
-120.40072°
Altitude
558.927 km
Speed
7.584 km/s
True Right ascension
02h 43m 31s
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
14:45:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.177 km
Perigee altitude
560.975 km
Semi-major axis
6,939.213 km
Eccentricity
0.00001
Inclination
43.0054°
RAAN
40.8793°
Arg. of periapsis
272.7668°
True anomaly
87.31747°
Mean anomaly
87.3158°
Eccentric anomaly
87.31664°
Mean motion
3.75472 °/min
Orbital period
95.88 mins
BSTAR
0.00069861
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-03-04 01:45:59.185Z | 223.56° SW | 2026-03-04 01:49:59.185Z | 130.517° SE | 35.073° | 2026-03-04 01:52:59.185Z | 80.862° E |
| 6 mins | 2026-03-04 03:27:59.185Z | 273.668° WNW | 2026-03-04 03:29:59.185Z | 332.799° NNW | 42.075° | 2026-03-04 03:33:59.185Z | 71.202° E |
| 7 mins | 2026-03-04 05:07:59.185Z | 290.131° WNW | 2026-03-04 05:10:59.185Z | 357.405° N | 40.667° | 2026-03-04 05:14:59.185Z | 87.394° E |
| 6 mins | 2026-03-04 06:48:59.185Z | 280.507° WNW | 2026-03-04 06:51:59.185Z | 194.032° SSW | 40.9° | 2026-03-04 06:54:59.185Z | 128.104° SE |
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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