STARLINK-31850, 59903
Orbit data source: Space-Track
STARLINK-31850, 59903 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 28 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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59903 intel report (Beta)
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Edit Public Description
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-31850
1 59903U 24100U 25353.68018667 -.00000816 00000-0 -20147-4 0 9998
2 59903 43.0014 216.9650 0001037 283.1635 76.9101 15.27571433 88860Epoch: 2025-12-19T16:19Z
TLE epoch observation values (Epoch: 2025-12-19T16:19:28.128Z)
Latitude
-0°
Longitude
-116.42007°
Altitude
482.689 km
Speed
7.626 km/s
True Right ascension
14h 27m 51s
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
21:24:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.731 km
Perigee altitude
484.308 km
Semi-major axis
6,863.157 km
Eccentricity
0.0001
Inclination
43.0014°
RAAN
216.965°
Arg. of periapsis
283.1635°
True anomaly
76.92167°
Mean anomaly
76.9101°
Eccentric anomaly
76.91589°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
-0.000020147
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Other satellites on launch #100 in the year 2024 (2024-05-28 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-31850 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 | 2025-12-20 22:33:27.527Z | 289.055° WNW | 2025-12-20 22:36:27.527Z | 317.396° NNW | 43.956° | 2025-12-20 22:39:27.527Z | 104.205° ESE |
| 5 mins | 2025-12-21 00:13:27.527Z | 257.753° W | 2025-12-21 00:15:27.527Z | 212.037° SW | 23.907° | 2025-12-21 00:18:27.527Z | 156.048° SSE |
| 4 mins | 2025-12-21 17:10:27.527Z | 180.055° SSW | 2025-12-21 17:12:27.527Z | 135.363° SSE | 20.252° | 2025-12-21 17:14:27.527Z | 99.108° ESE |
| 5 mins | 2025-12-21 18:48:27.527Z | 250.005° W | 2025-12-21 18:50:27.527Z | 244.148° WSW | 44.392° | 2025-12-21 18:53:27.527Z | 72.097° E |
| 6 mins | 2025-12-21 20:27:27.527Z | 288.336° WNW | 2025-12-21 20:29:27.527Z | 336.03° NNW | 37.083° | 2025-12-21 20:33:27.527Z | 76.296° E |
| 6 mins | 2025-12-21 22:06:27.527Z | 290.229° WNW | 2025-12-21 22:09:27.527Z | 85.873° E | 42.292° | 2025-12-21 22:12:27.527Z | 104.318° ESE |
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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