STARLINK-5729, 55596
Orbit data source: Space-Track
STARLINK-5729, 55596 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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55596 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-5729
1 55596U 23020AD 25340.55130305 -.00000040 00000-0 12137-4 0 9996
2 55596 43.0023 150.3169 0001267 272.1731 87.8966 15.02535173154914Epoch: 2025-12-06T13:13Z
TLE epoch observation values (Epoch: 2025-12-06T13:13:52.583Z)
Latitude
-0.00004°
Longitude
-123.72965°
Altitude
558.828 km
Speed
7.584 km/s
True Right ascension
10h 01m 16s
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
02:12:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.885 km
Perigee altitude
560.126 km
Semi-major axis
6,939.143 km
Eccentricity
0.00013
Inclination
43.0023°
RAAN
150.3169°
Arg. of periapsis
272.1731°
True anomaly
87.91111°
Mean anomaly
87.8966°
Eccentric anomaly
87.90385°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000012137
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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-5729 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 14:59:36.544Z | 224.881° SW | 2025-12-07 15:01:36.544Z | 181.784° SSW | 38.547° | 2025-12-07 15:05:36.544Z | 77.89° E |
| 6 mins | 2025-12-07 16:40:36.544Z | 279.239° WNW | 2025-12-07 16:42:36.544Z | 339.823° N | 41.055° | 2025-12-07 16:46:36.544Z | 72.04° E |
| 7 mins | 2025-12-07 18:20:36.544Z | 290.826° WNW | 2025-12-07 18:23:36.544Z | 0.048° NNE | 41.741° | 2025-12-07 18:27:36.544Z | 91.463° ESE |
| 6 mins | 2025-12-07 20:01:36.544Z | 276.481° WNW | 2025-12-07 20:04:36.544Z | 194.665° SSW | 37.389° | 2025-12-07 20:07:36.544Z | 135.055° 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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