STARLINK-5730, 55611
Orbit data source: Space-Track
STARLINK-5730, 55611 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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55611 intel report (Beta)
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Edit Public Description
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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-5730
1 55611U 23020AU 25340.78430973 .00006950 00000-0 52919-3 0 9999
2 55611 43.0023 136.5117 0001287 265.4458 94.6237 15.02525633155091Epoch: 2025-12-06T18:49Z
TLE epoch observation values (Epoch: 2025-12-06T18:49:24.360Z)
Latitude
-0.00005°
Longitude
138.35307°
Altitude
558.962 km
Speed
7.584 km/s
True Right ascension
09h 06m 02s
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
09:24:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.928 km
Perigee altitude
560.142 km
Semi-major axis
6,939.172 km
Eccentricity
0.00013
Inclination
43.0023°
RAAN
136.5117°
Arg. of periapsis
265.4458°
True anomaly
94.6384°
Mean anomaly
94.6237°
Eccentric anomaly
94.63105°
Mean motion
3.75476 °/min
Orbital period
95.88 mins
BSTAR
0.00052919
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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-5730 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 14:12:20.545Z | 226.002° WSW | 2025-12-07 14:14:20.545Z | 182.342° SSW | 39.086° | 2025-12-07 14:18:20.545Z | 77.478° E |
| 7 mins | 2025-12-07 15:52:20.545Z | 274.115° WNW | 2025-12-07 15:55:20.545Z | 341.132° N | 40.93° | 2025-12-07 15:59:20.545Z | 72.218° E |
| 7 mins | 2025-12-07 17:33:20.545Z | 290.904° WNW | 2025-12-07 17:36:20.545Z | 1.026° NNE | 41.919° | 2025-12-07 17:40:20.545Z | 92.103° ESE |
| 6 mins | 2025-12-07 19:14:20.545Z | 275.808° WNW | 2025-12-07 19:17:20.545Z | 194.445° SSW | 36.801° | 2025-12-07 19:20:20.545Z | 136.005° 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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