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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5727
1 55587U 23020U 26199.73952281 -.00000082 00000-0 65368-5 0 9995
2 55587 43.0041 345.1591 0001658 264.2890 95.7773 15.27575557188951Epoch: 2026-07-18T17:44Z
TLE epoch observation values (Epoch: 2026-07-18T17:44:54.770Z)
Latitude
-0.00001°
Longitude
142.38293°
Altitude
482.953 km
Speed
7.626 km/s
True Right ascension
23h 00m 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
18:48:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.145 km
Perigee altitude
483.869 km
Semi-major axis
6,863.144 km
Eccentricity
0.00017
Inclination
43.0041°
RAAN
345.1591°
Arg. of periapsis
264.289°
True anomaly
95.7962°
Mean anomaly
95.7773°
Eccentric anomaly
95.78675°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.0000065368
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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 | 2026-07-19 12:46:39.911Z | 208.76° SW | 2026-07-19 12:49:39.911Z | 144.002° SSE | 27.561° | 2026-07-19 12:52:39.911Z | 86.758° E |
| 6 mins | 2026-07-19 14:25:39.911Z | 261.637° W | 2026-07-19 14:28:39.911Z | 33.381° NE | 42.465° | 2026-07-19 14:31:39.911Z | 70.322° E |
| 5 mins | 2026-07-19 16:05:39.911Z | 297.463° NW | 2026-07-19 16:07:39.911Z | 14.429° NNE | 38.08° | 2026-07-19 16:10:39.911Z | 78.929° E |
| 5 mins | 2026-07-19 17:44:39.911Z | 284.307° WNW | 2026-07-19 17:46:39.911Z | 181.938° SSW | 44.454° | 2026-07-19 17:49:39.911Z | 114.969° SE |
| 4 mins | 2026-07-19 19:23:39.911Z | 246.03° WSW | 2026-07-19 19:24:39.911Z | 226.954° WSW | 17.471° | 2026-07-19 19:27:39.911Z | 172.203° 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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