STARLINK-31899, 59850
Orbit data source: Space-Track
STARLINK-31899, 59850 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 23 May 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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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-31899
1 59850U 24097R 26171.38594385 -.00000916 00000-0 -23770-4 0 9992
2 59850 43.0044 54.3181 0000251 27.3380 332.7485 15.27574189117625Epoch: 2026-06-20T09:15Z
TLE epoch observation values (Epoch: 2026-06-20T09:15:45.548Z)
Latitude
-0.00002°
Longitude
6.77698°
Altitude
482.689 km
Speed
7.626 km/s
True Right ascension
03h 37m 16s
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
21:31:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.183 km
Perigee altitude
484.839 km
Semi-major axis
6,863.148 km
Eccentricity
0.00003
Inclination
43.0044°
RAAN
54.3181°
Arg. of periapsis
27.338°
True anomaly
332.74718°
Mean anomaly
332.7485°
Eccentric anomaly
332.74784°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
-0.00002377
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Other satellites on launch #97 in the year 2024 (2024-05-23 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-31899 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 | 2026-06-22 17:56:54.219Z | 174.739° S | 2026-06-22 17:58:54.219Z | 135.947° SSE | 16.788° | 2026-06-22 18:00:54.219Z | 102.34° ESE |
| 5 mins | 2026-06-22 19:34:54.219Z | 241.46° WSW | 2026-06-22 19:36:54.219Z | 194.277° SSW | 43.767° | 2026-06-22 19:39:54.219Z | 74.596° E |
| 5 mins | 2026-06-22 21:13:54.219Z | 285.865° WNW | 2026-06-22 21:15:54.219Z | 337.894° N | 37.824° | 2026-06-22 21:18:54.219Z | 69.87° E |
| 6 mins | 2026-06-22 22:52:54.219Z | 292.194° WNW | 2026-06-22 22:54:54.219Z | 321.954° NNW | 41.257° | 2026-06-22 22:58:54.219Z | 98.987° ESE |
| 5 mins | 2026-06-23 00:31:54.219Z | 265.945° W | 2026-06-23 00:33:54.219Z | 220.455° SW | 28.398° | 2026-06-23 00:36:54.219Z | 150.529° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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