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 spacecraft
Bus & Motor
STARLINK V2M, Unknown motor
Mass
730 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 STARLINK-31955
1 59939U 24106T 25260.01455112 -.00001048 00000-0 -28569-4 0 9991
2 59939 43.0008 233.1562 0000821 279.4682 80.6076 15.27588730 74007Epoch: 2025-09-17T00:20Z
TLE epoch observation values (Epoch: 2025-09-17T00:20:57.216Z)
Latitude
-0.00009°
Longitude
-128.27887°
Altitude
482.707 km
Speed
7.626 km/s
True Right ascension
15h 32m 37s
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
06:31:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.531 km
Perigee altitude
484.405 km
Semi-major axis
6,863.105 km
Eccentricity
0.00008
Inclination
43.0008°
RAAN
233.1562°
Arg. of periapsis
279.4682°
True anomaly
80.61688°
Mean anomaly
80.6076°
Eccentric anomaly
80.61224°
Mean motion
3.81735 °/min
Orbital period
94.31 mins
BSTAR
-0.000028569
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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 | 2025-09-18 01:40:07.090Z | 225.983° WSW | 2025-09-18 01:43:07.090Z | 167.841° S | 35.86° | 2025-09-18 01:46:07.090Z | 83.156° E |
| 5 mins | 2025-09-18 03:20:07.090Z | 275.326° WNW | 2025-09-18 03:22:07.090Z | 332.953° NNW | 40.698° | 2025-09-18 03:25:07.090Z | 68.133° E |
| 6 mins | 2025-09-18 04:59:07.090Z | 293.9° NW | 2025-09-18 05:01:07.090Z | 337.925° N | 38.613° | 2025-09-18 05:05:07.090Z | 87.682° E |
| 6 mins | 2025-09-18 06:38:07.090Z | 277.647° WNW | 2025-09-18 06:40:07.090Z | 232.985° WSW | 38.279° | 2025-09-18 06:44:07.090Z | 127.145° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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