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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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-5729
1 55596U 23020AD 26061.64013266 -.00000519 00000-0 -23365-4 0 9990
2 55596 42.9989 42.5312 0001511 272.3972 87.6697 15.02523532167869Epoch: 2026-03-02T15:21Z
TLE epoch observation values (Epoch: 2026-03-02T15:21:47.461Z)
Latitude
-0.00005°
Longitude
11.65274°
Altitude
558.853 km
Speed
7.584 km/s
True Right ascension
02h 50m 07s
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
11:20:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.091 km
Perigee altitude
559.994 km
Semi-major axis
6,939.179 km
Eccentricity
0.00015
Inclination
42.9989°
RAAN
42.5312°
Arg. of periapsis
272.3972°
True anomaly
87.687°
Mean anomaly
87.6697°
Eccentric anomaly
87.67835°
Mean motion
3.75475 °/min
Orbital period
95.88 mins
BSTAR
-0.000023365
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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 | 2026-03-03 07:48:51.656Z | 271.777° WNW | 2026-03-03 07:51:51.656Z | 207.011° SW | 31.159° | 2026-03-03 07:54:51.656Z | 147.781° SSE |
| 5 mins | 2026-03-04 01:03:51.656Z | 189.997° SSW | 2026-03-04 01:05:51.656Z | 151.847° SSE | 23.506° | 2026-03-04 01:08:51.656Z | 95.52° ESE |
| 6 mins | 2026-03-04 02:43:51.656Z | 251.683° W | 2026-03-04 02:46:51.656Z | 68.021° E | 43.836° | 2026-03-04 02:49:51.656Z | 71.768° E |
| 6 mins | 2026-03-04 04:24:51.656Z | 288.427° WNW | 2026-03-04 04:27:51.656Z | 28.666° NE | 38.008° | 2026-03-04 04:30:51.656Z | 76.308° E |
| 6 mins | 2026-03-04 06:05:51.656Z | 289.294° WNW | 2026-03-04 06:07:51.656Z | 298.855° NW | 43.56° | 2026-03-04 06:11:51.656Z | 107.112° ESE |
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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