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 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 shape, 17.7 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 STARLINK-31850
1 59903U 24100U 26036.50002314 .00010995 00000-0 40830-3 0 9997
2 59903 43.0031 306.9057 0001786 268.6510 214.4975 15.27593776 5895Epoch: 2026-02-05T12:00Z
TLE epoch observation values (Epoch: 2026-02-05T12:00:01.999Z)
Latitude
34.96101°
Longitude
123.03786°
Altitude
485.468 km
Speed
7.627 km/s
True Right ascension
05h 14m 47s
True Declination
34° 47' 36"
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
20:18:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.178 km
Perigee altitude
483.727 km
Semi-major axis
6,863.09 km
Eccentricity
0.00018
Inclination
43.0031°
RAAN
306.9057°
Arg. of periapsis
268.651°
True anomaly
214.48591°
Mean anomaly
214.4975°
Eccentric anomaly
214.49171°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.0004083
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-02-05 21:05:02.668Z | 200.965° SSW | 2026-02-05 21:07:02.668Z | 158.015° S | 26.164° | 2026-02-05 21:10:02.668Z | 91.386° ESE |
| 5 mins | 2026-02-05 22:44:02.668Z | 261.69° W | 2026-02-05 22:46:02.668Z | 332.821° NNW | 44.115° | 2026-02-05 22:49:02.668Z | 69.764° E |
| 5 mins | 2026-02-06 00:23:02.668Z | 292.781° NW | 2026-02-06 00:25:02.668Z | 346.706° N | 37.75° | 2026-02-06 00:28:02.668Z | 75.891° E |
| 6 mins | 2026-02-06 02:02:02.668Z | 286.28° WNW | 2026-02-06 02:04:02.668Z | 268.13° W | 43.418° | 2026-02-06 02:08:02.668Z | 112.801° SE |
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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