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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 STARLINK-33940
1 63831U 25092AD 25309.58335024 .00040858 00000-0 14850-2 0 9993
2 63831 42.9960 153.4751 0000814 269.0951 90.9807 15.27603441 29685Epoch: 2025-11-05T14:00Z
TLE epoch observation values (Epoch: 2025-11-05T14:00:01.460Z)
Latitude
-0.00005°
Longitude
-101.58497°
Altitude
482.763 km
Speed
7.626 km/s
True Right ascension
10h 13m 54s
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
02:12:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.483 km
Perigee altitude
484.366 km
Semi-major axis
6,863.062 km
Eccentricity
0.00008
Inclination
42.996°
RAAN
153.4751°
Arg. of periapsis
269.0951°
True anomaly
90.99003°
Mean anomaly
90.9807°
Eccentric anomaly
90.98536°
Mean motion
3.81739 °/min
Orbital period
94.31 mins
BSTAR
0.001485
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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 | 2025-11-06 16:53:18.320Z | 216.404° SW | 2025-11-06 16:56:18.320Z | 139.048° SSE | 32.288° | 2025-11-06 16:59:18.320Z | 82.523° E |
| 6 mins | 2025-11-06 18:32:18.320Z | 268.528° W | 2025-11-06 18:35:18.320Z | 27.082° NE | 40.624° | 2025-11-06 18:38:18.320Z | 70.194° E |
| 5 mins | 2025-11-06 20:12:18.320Z | 299.063° NW | 2025-11-06 20:14:18.320Z | 20.949° NNE | 38.776° | 2025-11-06 20:17:18.320Z | 83.085° E |
| 5 mins | 2025-11-06 21:51:18.320Z | 277.47° WNW | 2025-11-06 21:53:18.320Z | 183.702° SSW | 41.884° | 2025-11-06 21:56:18.320Z | 122.75° 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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