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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-31955
1 59939U 24106T 25294.99628856 .00017559 00000-0 64565-3 0 9999
2 59939 43.0103 35.5994 0001225 294.4798 65.5926 15.27602584 79353Epoch: 2025-10-21T23:54Z
TLE epoch observation values (Epoch: 2025-10-21T23:54:39.331Z)
Latitude
-0.00002°
Longitude
6.25926°
Altitude
482.411 km
Speed
7.626 km/s
True Right ascension
02h 22m 23s
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
06:49:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.766 km
Perigee altitude
484.084 km
Semi-major axis
6,863.062 km
Eccentricity
0.00012
Inclination
43.0103°
RAAN
35.5994°
Arg. of periapsis
294.4798°
True anomaly
65.60538°
Mean anomaly
65.5926°
Eccentric anomaly
65.59899°
Mean motion
3.81739 °/min
Orbital period
94.31 mins
BSTAR
0.00064565
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-22 12:47:24.374Z | 281.255° WNW | 2025-10-22 12:50:24.374Z | 341.834° N | 37.78° | 2025-10-22 12:53:24.374Z | 70.792° E |
| 6 mins | 2025-10-22 14:27:24.374Z | 291.754° WNW | 2025-10-22 14:29:24.374Z | 320.5° NNW | 42.167° | 2025-10-22 14:33:24.374Z | 101.126° ESE |
| 5 mins | 2025-10-22 16:06:24.374Z | 263.347° W | 2025-10-22 16:08:24.374Z | 217.569° SW | 26.876° | 2025-10-22 16:11:24.374Z | 152.703° SSE |
| 6 mins | 2025-10-23 10:41:24.374Z | 244.172° WSW | 2025-10-23 10:43:24.374Z | 218.971° SW | 43.276° | 2025-10-23 10:47:24.374Z | 73.024° E |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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