STARLINK-5579, 55746
Orbit data source: Space-Track
STARLINK-5579, 55746 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 03 Mar 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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55746 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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 STARLINK-5579
1 55746U 23028F 26170.91663213 .00000534 00000-0 52523-4 0 9992
2 55746 69.9997 346.6715 0002860 265.9901 94.0931 14.98335474181350Epoch: 2026-06-19T21:59Z
TLE epoch observation values (Epoch: 2026-06-19T21:59:57.016Z)
Latitude
-0.00001°
Longitude
108.54519°
Altitude
574.605 km
Speed
7.574 km/s
True Right ascension
23h 06m 41s
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
21:27:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.974 km
Perigee altitude
568 km
Semi-major axis
6,948.124 km
Eccentricity
0.00029
Inclination
69.9997°
RAAN
346.6715°
Arg. of periapsis
265.9901°
True anomaly
94.12579°
Mean anomaly
94.0931°
Eccentric anomaly
94.10944°
Mean motion
3.7475 °/min
Orbital period
96.06 mins
BSTAR
0.000052523
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Other satellites on launch #28 in the year 2023 (2023-03-03 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-5579 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 | 2026-06-22 12:36:53.566Z | 195.804° SSW | 2026-06-22 12:40:53.566Z | 65.472° ENE | 42.415° | 2026-06-22 12:43:53.566Z | 29.39° NE |
| 6 mins | 2026-06-22 22:40:53.566Z | 313.016° NW | 2026-06-22 22:42:53.566Z | 252.612° W | 37.75° | 2026-06-22 22:46:53.566Z | 174.513° S |
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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