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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 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 26049.00550136 .00030097 00000-0 10980-2 0 9999
2 63831 43.0021 283.7602 0001933 255.2754 104.7883 15.27603636 45657Epoch: 2026-02-18T00:07Z
TLE epoch observation values (Epoch: 2026-02-18T00:07:55.317Z)
Latitude
-0.00006°
Longitude
133.8023°
Altitude
483.093 km
Speed
7.625 km/s
True Right ascension
18h 55m 02s
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
19:43:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.25 km
Perigee altitude
483.597 km
Semi-major axis
6,863.06 km
Eccentricity
0.00019
Inclination
43.0021°
RAAN
283.7602°
Arg. of periapsis
255.2754°
True anomaly
104.80972°
Mean anomaly
104.7883°
Eccentric anomaly
104.79901°
Mean motion
3.81739 °/min
Orbital period
94.31 mins
BSTAR
0.001098
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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 | 2026-02-18 19:12:01.736Z | 222.895° SW | 2026-02-18 19:14:01.736Z | 157.989° S | 38.793° | 2026-02-18 19:17:01.736Z | 79.896° E |
| 5 mins | 2026-02-18 20:51:01.736Z | 279.919° WNW | 2026-02-18 20:53:01.736Z | 350.049° N | 40.222° | 2026-02-18 20:56:01.736Z | 69.121° E |
| 5 mins | 2026-02-18 22:30:01.736Z | 295.144° NW | 2026-02-18 22:32:01.736Z | 349.497° N | 40.279° | 2026-02-18 22:35:01.736Z | 87.05° E |
| 5 mins | 2026-02-19 00:09:01.736Z | 273.172° WNW | 2026-02-19 00:11:01.736Z | 217.018° SW | 36.924° | 2026-02-19 00:14:01.736Z | 134.898° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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