STARLINK-5754, 55579
Orbit data source: Space-Track
STARLINK-5754, 55579 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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55579 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: 1 day ago
TLE from 1 day ago
0 STARLINK-5754
1 55579U 23020L 26263.21692039 -.00000524 00000-0 -95238-5 0 9994
2 55579 43.0049 346.5778 0001259 284.9356 75.1357 15.27573450198664Epoch: 2026-09-20T05:12Z
TLE epoch observation values (Epoch: 2026-09-20T05:12:21.921Z)
Latitude
0.00002°
Longitude
-90.62779°
Altitude
482.623 km
Speed
7.626 km/s
True Right ascension
23h 06m 18s
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
06:01:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.877 km
Perigee altitude
484.149 km
Semi-major axis
6,863.15 km
Eccentricity
0.00013
Inclination
43.0049°
RAAN
346.5778°
Arg. of periapsis
284.9356°
True anomaly
75.14964°
Mean anomaly
75.1357°
Eccentric anomaly
75.14267°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
-0.0000095238
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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-5754 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 | 2026-09-21 13:00:26.776Z | 290.59° WNW | 2026-09-21 13:03:26.776Z | 23.059° NE | 75.496° | 2026-09-21 13:06:26.776Z | 100.818° ESE |
| 5 mins | 2026-09-21 14:40:26.776Z | 256.236° W | 2026-09-21 14:42:26.776Z | 202.82° SW | 29.657° | 2026-09-21 14:45:26.776Z | 149.974° SSE |
| 4 mins | 2026-09-22 07:37:26.776Z | 172.24° S | 2026-09-22 07:38:26.776Z | 151.725° SSE | 19.764° | 2026-09-22 07:41:26.776Z | 97.346° ESE |
| 5 mins | 2026-09-22 09:15:26.776Z | 245.551° WSW | 2026-09-22 09:17:26.776Z | 128.508° SE | 82.071° | 2026-09-22 09:20:26.776Z | 72.725° E |
| 5 mins | 2026-09-22 10:54:26.776Z | 290.245° WNW | 2026-09-22 10:56:26.776Z | 355.123° N | 51.329° | 2026-09-22 10:59:26.776Z | 71.634° E |
| 6 mins | 2026-09-22 12:33:26.776Z | 292.811° NW | 2026-09-22 12:35:26.776Z | 338.748° N | 70.942° | 2026-09-22 12:39:26.776Z | 101.361° ESE |
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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