STARLINK-33811, 63504
Orbit data source: Space-Track
STARLINK-33811, 63504 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 07 Apr 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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63504 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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-33811
1 63504U 25071M 26168.80744654 .00021662 00000-0 74097-3 0 9991
2 63504 53.1605 35.2212 0001255 83.1416 276.9728 15.30216513 68036Epoch: 2026-06-17T19:22Z
TLE epoch observation values (Epoch: 2026-06-17T19:22:43.381Z)
Latitude
0.00004°
Longitude
-161.51935°
Altitude
475.961 km
Speed
7.629 km/s
True Right ascension
02h 20m 53s
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
12:45:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.282 km
Perigee altitude
474.562 km
Semi-major axis
6,853.559 km
Eccentricity
0.00013
Inclination
53.1605°
RAAN
35.2212°
Arg. of periapsis
83.1416°
True anomaly
276.95852°
Mean anomaly
276.9728°
Eccentric anomaly
276.96566°
Mean motion
3.82533 °/min
Orbital period
94.11 mins
BSTAR
0.00074097
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Other satellites on launch #71 in the year 2025 (2025-04-07 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-33811 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 | 2026-06-18 17:30:17.326Z | 211.31° SW | 2026-06-18 17:32:17.326Z | 164.598° S | 39.785° | 2026-06-18 17:35:17.326Z | 59.841° ENE |
| 4 mins | 2026-06-18 19:09:17.326Z | 300.196° NW | 2026-06-18 19:10:17.326Z | 321.845° NNW | 20.431° | 2026-06-18 19:13:17.326Z | 23.263° NE |
| 5 mins | 2026-06-19 00:05:17.326Z | 325.482° NNW | 2026-06-19 00:07:17.326Z | 14.799° NNE | 36.976° | 2026-06-19 00:10:17.326Z | 108.575° ESE |
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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