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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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: 1 day ago
TLE from 1 day ago
0 STARLINK-31955
1 59939U 24106T 26261.22211176 .00037417 00000-0 13057-2 0 9997
2 59939 43.0027 324.7178 0002021 350.0900 9.9912 15.28970085130017Epoch: 2026-09-18T05:19Z
TLE epoch observation values (Epoch: 2026-09-18T05:19:50.456Z)
Latitude
-0°
Longitude
-112.39054°
Altitude
477.301 km
Speed
7.63 km/s
True Right ascension
21h 38m 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
02:30:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
482.222 km
Perigee altitude
479.45 km
Semi-major axis
6,858.973 km
Eccentricity
0.0002
Inclination
43.0027°
RAAN
324.7178°
Arg. of periapsis
350.09°
True anomaly
9.99522°
Mean anomaly
9.9912°
Eccentric anomaly
9.99321°
Mean motion
3.8208 °/min
Orbital period
94.22 mins
BSTAR
0.0013057
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-09-19 09:52:00.686Z | 279.175° WNW | 2026-09-19 09:55:00.686Z | 333.613° NNW | 49.799° | 2026-09-19 09:59:00.686Z | 73.557° E |
| 6 mins | 2026-09-19 11:32:00.686Z | 293.097° NW | 2026-09-19 11:34:00.686Z | 327.024° NNW | 60.454° | 2026-09-19 11:38:00.686Z | 97.572° ESE |
| 5 mins | 2026-09-19 13:11:00.686Z | 266.041° W | 2026-09-19 13:13:00.686Z | 216.867° SW | 34.955° | 2026-09-19 13:16:00.686Z | 147.631° SSE |
| 5 mins | 2026-09-20 07:45:00.686Z | 238.124° WSW | 2026-09-20 07:47:00.686Z | 182.183° SSW | 70.325° | 2026-09-20 07:50:00.686Z | 75.296° E |
| 5 mins | 2026-09-20 09:24:00.686Z | 286.133° WNW | 2026-09-20 09:26:00.686Z | 346.706° N | 52.119° | 2026-09-20 09:29:00.686Z | 69.663° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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