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: 2 days ago
TLE from 2 days ago
0 STARLINK-31955
1 59939U 24106T 26171.25940527 .00001333 00000-0 57938-4 0 9995
2 59939 43.0005 112.8991 0001048 275.8138 84.2594 15.27578833116253Epoch: 2026-06-20T06:13Z
TLE epoch observation values (Epoch: 2026-06-20T06:13:32.615Z)
Latitude
-0.00002°
Longitude
111.03659°
Altitude
482.756 km
Speed
7.626 km/s
True Right ascension
07h 31m 35s
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
21:43:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.717 km
Perigee altitude
484.278 km
Semi-major axis
6,863.135 km
Eccentricity
0.0001
Inclination
43.0005°
RAAN
112.8991°
Arg. of periapsis
275.8138°
True anomaly
84.27135°
Mean anomaly
84.2594°
Eccentric anomaly
84.26537°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.000057938
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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 | 2026-06-22 22:46:59.180Z | 223.986° SW | 2026-06-22 22:49:59.180Z | 146.583° SSE | 36.24° | 2026-06-22 22:52:59.180Z | 80.957° E |
| 5 mins | 2026-06-23 00:26:59.180Z | 278.462° WNW | 2026-06-23 00:28:59.180Z | 6.506° NNE | 40.716° | 2026-06-23 00:31:59.180Z | 69.642° E |
| 5 mins | 2026-06-23 02:05:59.180Z | 296.787° NW | 2026-06-23 02:07:59.180Z | 5.078° NNE | 39.982° | 2026-06-23 02:10:59.180Z | 85.266° E |
| 5 mins | 2026-06-23 03:44:59.180Z | 274.721° WNW | 2026-06-23 03:46:59.180Z | 206.696° SW | 39.512° | 2026-06-23 03:49:59.180Z | 129.472° 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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