STARLINK-6139, 57109
Orbit data source: Space-Track
STARLINK-6139, 57109 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 23 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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57109 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-6139
1 57109U 23090J 26171.38767113 -.00002028 00000-0 -64158-4 0 9991
2 57109 43.0029 62.0002 0001314 269.4310 90.6391 15.27592884166031Epoch: 2026-06-20T09:18Z
TLE epoch observation values (Epoch: 2026-06-20T09:18:14.785Z)
Latitude
-0.00003°
Longitude
13.83554°
Altitude
482.796 km
Speed
7.626 km/s
True Right ascension
04h 08m 00s
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
21:30:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.857 km
Perigee altitude
484.053 km
Semi-major axis
6,863.092 km
Eccentricity
0.00013
Inclination
43.0029°
RAAN
62.0002°
Arg. of periapsis
269.431°
True anomaly
90.65416°
Mean anomaly
90.6391°
Eccentric anomaly
90.64663°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
-0.000064158
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Other satellites on launch #90 in the year 2023 (2023-06-23 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-6139 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 19:35:58.773Z | 222.356° SW | 2026-06-22 19:37:58.773Z | 167.399° S | 37.646° | 2026-06-22 19:40:58.773Z | 81.421° E |
| 5 mins | 2026-06-22 21:14:58.773Z | 277.616° WNW | 2026-06-22 21:16:58.773Z | 337.116° NNW | 40.253° | 2026-06-22 21:19:58.773Z | 68.338° E |
| 6 mins | 2026-06-22 22:53:58.773Z | 294.149° NW | 2026-06-22 22:55:58.773Z | 338.943° N | 39.218° | 2026-06-22 22:59:58.773Z | 89.351° E |
| 5 mins | 2026-06-23 00:32:58.773Z | 275.608° WNW | 2026-06-23 00:34:58.773Z | 227.72° WSW | 37.137° | 2026-06-23 00:37:58.773Z | 134.251° 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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