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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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, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 STARLINK-33940
1 63831U 25092AD 26214.89089886 .00016724 00000-0 61552-3 0 9992
2 63831 43.0020 66.9317 0001466 276.6645 83.4040 15.27598534 71025Epoch: 2026-08-02T21:22Z
TLE epoch observation values (Epoch: 2026-08-02T21:22:53.661Z)
Latitude
-0.00001°
Longitude
154.72625°
Altitude
482.654 km
Speed
7.626 km/s
True Right ascension
04h 27m 43s
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
20:39:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.945 km
Perigee altitude
483.932 km
Semi-major axis
6,863.075 km
Eccentricity
0.00015
Inclination
43.002°
RAAN
66.9317°
Arg. of periapsis
276.6645°
True anomaly
83.42069°
Mean anomaly
83.404°
Eccentric anomaly
83.41234°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.00061552
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-08-03 18:01:50.956Z | 230.913° WSW | 2026-08-03 18:03:50.956Z | 150.943° SSE | 41.923° | 2026-08-03 18:06:50.956Z | 76.768° E |
| 5 mins | 2026-08-03 19:40:50.956Z | 284.698° WNW | 2026-08-03 19:42:50.956Z | 355.65° N | 39.198° | 2026-08-03 19:45:50.956Z | 70.132° E |
| 5 mins | 2026-08-03 21:19:50.956Z | 294.84° NW | 2026-08-03 21:21:50.956Z | 352.181° N | 41.733° | 2026-08-03 21:24:50.956Z | 91.847° ESE |
| 5 mins | 2026-08-03 22:58:50.956Z | 267.637° W | 2026-08-03 23:00:50.956Z | 211.299° SW | 33.132° | 2026-08-03 23:03:50.956Z | 141.252° SSE |
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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