STARLINK-33940, 63831
Orbit data source: Space-Track
STARLINK-33940, 63831 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 04 May 2025 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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63831 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 V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 14.5 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 STARLINK-33940
1 63831U 25092AD 25260.93583303 .00026823 00000-0 97962-3 0 9995
2 63831 43.0082 68.2158 0004978 282.1808 77.8486 15.27608668 22246Epoch: 2025-09-17T22:27Z
TLE epoch observation values (Epoch: 2025-09-17T22:27:35.973Z)
Latitude
-0.00004°
Longitude
94.21123°
Altitude
482.022 km
Speed
7.627 km/s
True Right ascension
04h 32m 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
08:22:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
488.324 km
Perigee altitude
481.491 km
Semi-major axis
6,863.044 km
Eccentricity
0.0005
Inclination
43.0082°
RAAN
68.2158°
Arg. of periapsis
282.1808°
True anomaly
77.90437°
Mean anomaly
77.8486°
Eccentric anomaly
77.87649°
Mean motion
3.8174 °/min
Orbital period
94.3 mins
BSTAR
0.00097962
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Other satellites on launch #92 in the year 2025 (2025-05-04 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-33940 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 15:59:31.160Z | 260.76° W | 2025-09-18 16:02:31.160Z | 318.492° NNW | 43.432° | 2025-09-18 16:05:31.160Z | 69.093° E |
| 6 mins | 2025-09-18 17:39:31.160Z | 292.393° WNW | 2025-09-18 17:41:31.160Z | 340.004° N | 37.389° | 2025-09-18 17:45:31.160Z | 81.076° E |
| 6 mins | 2025-09-18 19:18:31.160Z | 285.327° WNW | 2025-09-18 19:20:31.160Z | 264.841° W | 42.266° | 2025-09-18 19:24:31.160Z | 114.914° SE |
| 4 mins | 2025-09-19 13:54:31.160Z | 191.764° SSW | 2025-09-19 13:56:31.160Z | 134.298° SE | 26.743° | 2025-09-19 13:58:31.160Z | 93.405° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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