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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-33940
1 63831U 25092AD 26034.62046651 .00011607 00000-0 43038-3 0 9990
2 63831 43.0040 4.9968 0000717 347.8087 12.2748 15.27599816 43455Epoch: 2026-02-03T14:53Z
TLE epoch observation values (Epoch: 2026-02-03T14:53:28.306Z)
Latitude
0.00003°
Longitude
7.83011°
Altitude
482.285 km
Speed
7.626 km/s
True Right ascension
00h 19m 59s
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
05:39:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.426 km
Perigee altitude
484.442 km
Semi-major axis
6,863.071 km
Eccentricity
0.00007
Inclination
43.004°
RAAN
4.9968°
Arg. of periapsis
347.8087°
True anomaly
12.27655°
Mean anomaly
12.2748°
Eccentric anomaly
12.27567°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.00043038
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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 | 2026-02-04 03:46:09.006Z | 280.987° WNW | 2026-02-04 03:49:09.006Z | 357.897° N | 38.445° | 2026-02-04 03:52:09.006Z | 71.437° E |
| 5 mins | 2026-02-04 05:26:09.006Z | 293.559° NW | 2026-02-04 05:28:09.006Z | 349.951° N | 43.087° | 2026-02-04 05:31:09.006Z | 96.975° ESE |
| 5 mins | 2026-02-04 07:05:09.006Z | 262.389° W | 2026-02-04 07:07:09.006Z | 209.414° SW | 29.022° | 2026-02-04 07:10:09.006Z | 147.475° SSE |
| 5 mins | 2026-02-05 01:40:09.006Z | 239.418° WSW | 2026-02-05 01:42:09.006Z | 178.397° S | 43.689° | 2026-02-05 01:45:09.006Z | 75.004° E |
| 5 mins | 2026-02-05 03:19:09.006Z | 285.913° WNW | 2026-02-05 03:21:09.006Z | 342.962° N | 38.259° | 2026-02-05 03:24:09.006Z | 70.085° E |
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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