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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-33811
1 63504U 25071M 26187.61810991 .00023798 00000-0 81298-3 0 9992
2 63504 53.1600 307.8490 0001194 49.9609 310.1496 15.30202939 70913Epoch: 2026-07-06T14:50Z
TLE epoch observation values (Epoch: 2026-07-06T14:50:04.696Z)
Latitude
-0.00004°
Longitude
160.7289°
Altitude
475.578 km
Speed
7.63 km/s
True Right ascension
20h 31m 23s
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
22:41:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.281 km
Perigee altitude
474.644 km
Semi-major axis
6,853.6 km
Eccentricity
0.00012
Inclination
53.16°
RAAN
307.849°
Arg. of periapsis
49.9609°
True anomaly
310.13914°
Mean anomaly
310.1496°
Eccentric anomaly
310.14437°
Mean motion
3.8253 °/min
Orbital period
94.11 mins
BSTAR
0.00081298
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-07-07 11:25:04.322Z | 256.343° W | 2026-07-07 11:28:04.322Z | 320.33° NNW | 33.181° | 2026-07-07 11:31:04.322Z | 34.554° NE |
| 5 mins | 2026-07-07 16:23:04.322Z | 341.833° N | 2026-07-07 16:25:04.322Z | 27.478° NE | 23.655° | 2026-07-07 16:28:04.322Z | 85.504° E |
| 5 mins | 2026-07-07 18:01:04.322Z | 288.738° WNW | 2026-07-07 18:03:04.322Z | 228.519° WSW | 35.462° | 2026-07-07 18:06:04.322Z | 154.771° SSE |
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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