STARLINK-31955, 59939
Orbit data source: Space-Track
STARLINK-31955, 59939 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 01 Jun 2024 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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59939 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2M, Unknown motor
Mass
730 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
33.884 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 STARLINK-31955
1 59939U 24106T 25340.50526275 .00000875 00000-0 41355-4 0 9996
2 59939 43.0073 138.5947 0002023 285.3493 74.7136 15.27566024 86316Epoch: 2025-12-06T12:07Z
TLE epoch observation values (Epoch: 2025-12-06T12:07:34.701Z)
Latitude
0.00004°
Longitude
-118.83189°
Altitude
482.502 km
Speed
7.626 km/s
True Right ascension
09h 14m 22s
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
08:55:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.423 km
Perigee altitude
483.646 km
Semi-major axis
6,863.172 km
Eccentricity
0.0002
Inclination
43.0073°
RAAN
138.5947°
Arg. of periapsis
285.3493°
True anomaly
74.73596°
Mean anomaly
74.7136°
Eccentric anomaly
74.72478°
Mean motion
3.8173 °/min
Orbital period
94.31 mins
BSTAR
0.000041355
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Other satellites on launch #106 in the year 2024 (2024-06-01 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-31955 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 | 2025-12-07 13:25:50.373Z | 198.411° SSW | 2025-12-07 13:27:50.373Z | 160.384° S | 23.371° | 2025-12-07 13:30:50.373Z | 95.067° ESE |
| 5 mins | 2025-12-07 15:04:50.373Z | 256.811° W | 2025-12-07 15:06:50.373Z | 294.768° NW | 44.363° | 2025-12-07 15:09:50.373Z | 70.401° E |
| 5 mins | 2025-12-07 16:43:50.373Z | 290.692° WNW | 2025-12-07 16:45:50.373Z | 339.295° N | 37.153° | 2025-12-07 16:48:50.373Z | 73.469° E |
| 6 mins | 2025-12-07 18:22:50.373Z | 288.246° WNW | 2025-12-07 18:24:50.373Z | 288.572° WNW | 42.488° | 2025-12-07 18:28:50.373Z | 109.229° ESE |
| 4 mins | 2025-12-07 20:02:50.373Z | 240.939° WSW | 2025-12-07 20:03:50.373Z | 217.652° SW | 21.039° | 2025-12-07 20:06:50.373Z | 162.504° 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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