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 26080.90817567 .00003101 00000-0 12212-3 0 9993
2 59939 43.0027 263.3346 0001509 276.9957 83.0723 15.27597369102437Epoch: 2026-03-21T21:47Z
TLE epoch observation values (Epoch: 2026-03-21T21:47:46.377Z)
Latitude
-0.00004°
Longitude
116.96918°
Altitude
482.648 km
Speed
7.626 km/s
True Right ascension
17h 33m 20s
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
02:35:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.977 km
Perigee altitude
483.906 km
Semi-major axis
6,863.079 km
Eccentricity
0.00015
Inclination
43.0027°
RAAN
263.3346°
Arg. of periapsis
276.9957°
True anomaly
83.08947°
Mean anomaly
83.0723°
Eccentric anomaly
83.08088°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.00012212
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-03-22 21:52:30.943Z | 246.392° WSW | 2026-03-22 21:54:30.943Z | 208.179° SW | 16.13° | 2026-03-22 21:56:30.943Z | 175.736° S |
| 5 mins | 2026-03-23 14:48:30.943Z | 204.339° SW | 2026-03-23 14:50:30.943Z | 156.782° SSE | 28.811° | 2026-03-23 14:53:30.943Z | 88.502° E |
| 5 mins | 2026-03-23 16:27:30.943Z | 266.185° W | 2026-03-23 16:29:30.943Z | 345.974° N | 43.418° | 2026-03-23 16:32:30.943Z | 69.341° E |
| 5 mins | 2026-03-23 18:06:30.943Z | 294.108° NW | 2026-03-23 18:08:30.943Z | 350.536° N | 38.169° | 2026-03-23 18:11:30.943Z | 78.024° E |
| 6 mins | 2026-03-23 19:45:30.943Z | 283.971° WNW | 2026-03-23 19:47:30.943Z | 245.684° WSW | 43.251° | 2026-03-23 19:51:30.943Z | 116.258° 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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