STARLINK-6239, 56423
Orbit data source: Space-Track
STARLINK-6239, 56423 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 04 May 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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56423 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-6239
1 56423U 23061BB 26170.78359604 .00000769 00000-0 37452-4 0 9997
2 56423 43.0018 322.9782 0001256 270.5279 89.5429 15.27579355172575Epoch: 2026-06-19T18:48Z
TLE epoch observation values (Epoch: 2026-06-19T18:48:22.697Z)
Latitude
-0.00002°
Longitude
132.876°
Altitude
482.82 km
Speed
7.626 km/s
True Right ascension
21h 31m 54s
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
21:32:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.858 km
Perigee altitude
484.134 km
Semi-major axis
6,863.133 km
Eccentricity
0.00013
Inclination
43.0018°
RAAN
322.9782°
Arg. of periapsis
270.5279°
True anomaly
89.55729°
Mean anomaly
89.5429°
Eccentric anomaly
89.5501°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.000037452
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Other satellites on launch #61 in the year 2023 (2023-05-04 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-6239 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 12:56:54.301Z | 225.812° WSW | 2026-06-22 12:58:54.301Z | 179.237° S | 37.906° | 2026-06-22 13:02:54.301Z | 77.121° E |
| 6 mins | 2026-06-22 14:35:54.301Z | 277.577° WNW | 2026-06-22 14:37:54.301Z | 325.538° NNW | 39.218° | 2026-06-22 14:41:54.301Z | 71.671° E |
| 6 mins | 2026-06-22 16:14:54.301Z | 293.115° NW | 2026-06-22 16:17:54.301Z | 44.285° NE | 39.157° | 2026-06-22 16:20:54.301Z | 89.867° E |
| 6 mins | 2026-06-22 17:53:54.301Z | 275.755° WNW | 2026-06-22 17:55:54.301Z | 234.531° WSW | 35.31° | 2026-06-22 17:59:54.301Z | 131.876° SE |
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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