STARLINK-5999, 56909
Orbit data source: Space-Track
STARLINK-5999, 56909 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 12 Jun 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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56909 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: 2 days ago
TLE from 2 days ago
0 STARLINK-5999
1 56909U 23083AK 26171.41397579 .00001170 00000-0 52021-4 0 9990
2 56909 43.0015 210.9686 0001020 287.2052 72.8688 15.27589288167610Epoch: 2026-06-20T09:56Z
TLE epoch observation values (Epoch: 2026-06-20T09:56:07.508Z)
Latitude
-0.00001°
Longitude
153.30836°
Altitude
482.591 km
Speed
7.626 km/s
True Right ascension
14h 03m 52s
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
21:28:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.666 km
Perigee altitude
484.266 km
Semi-major axis
6,863.103 km
Eccentricity
0.0001
Inclination
43.0015°
RAAN
210.9686°
Arg. of periapsis
287.2052°
True anomaly
72.87997°
Mean anomaly
72.8688°
Eccentric anomaly
72.87439°
Mean motion
3.81735 °/min
Orbital period
94.31 mins
BSTAR
0.000052021
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Other satellites on launch #83 in the year 2023 (2023-06-12 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-5999 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 | 2026-06-22 11:03:18.317Z | 277.487° WNW | 2026-06-22 11:06:18.317Z | 224.865° SW | 31.105° | 2026-06-22 11:09:18.317Z | 146.068° SSE |
| 6 mins | 2026-06-23 05:39:18.317Z | 235.682° WSW | 2026-06-23 05:42:18.317Z | 111.789° ESE | 40.229° | 2026-06-23 05:45:18.317Z | 75.224° E |
| 6 mins | 2026-06-23 07:18:18.317Z | 280.755° WNW | 2026-06-23 07:21:18.317Z | 23.98° NE | 37.498° | 2026-06-23 07:24:18.317Z | 72.179° E |
| 5 mins | 2026-06-23 08:58:18.317Z | 297.652° NW | 2026-06-23 09:00:18.317Z | 37.739° NE | 41.789° | 2026-06-23 09:03:18.317Z | 94.19° 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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