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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-33940
1 63831U 25092AD 26267.00389720 .00011141 00000-0 41360-3 0 9996
2 63831 42.9995 132.6250 0001145 262.0409 98.0312 15.27591650 78991Epoch: 2026-09-24T00:05Z
TLE epoch observation values (Epoch: 2026-09-24T00:05:36.718Z)
Latitude
-0.00005°
Longitude
128.37505°
Altitude
482.899 km
Speed
7.626 km/s
True Right ascension
08h 50m 29s
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
14:19:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.745 km
Perigee altitude
484.174 km
Semi-major axis
6,863.096 km
Eccentricity
0.00011
Inclination
42.9995°
RAAN
132.625°
Arg. of periapsis
262.0409°
True anomaly
98.04419°
Mean anomaly
98.0312°
Eccentric anomaly
98.0377°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.0004136
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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 | 2026-09-24 22:27:54.488Z | 290.686° WNW | 2026-09-24 22:30:54.488Z | 348.899° N | 66.622° | 2026-09-24 22:33:54.488Z | 95.262° ESE |
| 5 mins | 2026-09-25 00:07:54.488Z | 264.365° W | 2026-09-25 00:09:54.488Z | 211.038° SW | 35.797° | 2026-09-25 00:12:54.488Z | 146.068° SSE |
| 5 mins | 2026-09-25 18:42:54.488Z | 238.193° WSW | 2026-09-25 18:44:54.488Z | 179.223° S | 71.185° | 2026-09-25 18:47:54.488Z | 75.202° E |
| 5 mins | 2026-09-25 20:21:54.488Z | 285.511° WNW | 2026-09-25 20:23:54.488Z | 341.43° N | 51.86° | 2026-09-25 20:26:54.488Z | 69.237° E |
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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