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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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 + 1 Pan, 14.5 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-33811
1 63504U 25071M 25257.33000310 .00016198 00000-0 55777-3 0 9993
2 63504 53.1579 239.4364 0001185 118.0052 242.1069 15.30204246 25708Epoch: 2025-09-14T07:55Z
TLE epoch observation values (Epoch: 2025-09-14T07:55:12.267Z)
Latitude
-0.00002°
Longitude
127.08471°
Altitude
476.482 km
Speed
7.629 km/s
True Right ascension
15h 57m 44s
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
22:00:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.271 km
Perigee altitude
474.647 km
Semi-major axis
6,853.596 km
Eccentricity
0.00012
Inclination
53.1579°
RAAN
239.4364°
Arg. of periapsis
118.0052°
True anomaly
242.0949°
Mean anomaly
242.1069°
Eccentric anomaly
242.1009°
Mean motion
3.8253 °/min
Orbital period
94.11 mins
BSTAR
0.00055777
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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 | 2025-09-15 07:55:36.989Z | 326.038° NNW | 2025-09-15 07:57:36.989Z | 16.048° NNE | 36.676° | 2025-09-15 08:00:36.989Z | 107.943° ESE |
| 5 mins | 2025-09-16 00:51:36.989Z | 197.941° SSW | 2025-09-16 00:53:36.989Z | 122.614° SE | 36.673° | 2025-09-16 00:56:36.989Z | 61.351° ENE |
| 4 mins | 2025-09-16 02:29:36.989Z | 289.629° WNW | 2025-09-16 02:31:36.989Z | 336.374° NNW | 22.839° | 2025-09-16 02:33:36.989Z | 19.379° NNE |
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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