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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 STARLINK-33811
1 63504U 25071M 25352.16705650 .00017214 00000-0 59179-3 0 9999
2 63504 53.1569 158.9269 0000998 91.4652 268.6463 15.30210235 40227Epoch: 2025-12-18T04:00Z
TLE epoch observation values (Epoch: 2025-12-18T04:00:33.681Z)
Latitude
-0.00003°
Longitude
11.76008°
Altitude
476.1 km
Speed
7.629 km/s
True Right ascension
10h 35m 42s
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
13:58:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.125 km
Perigee altitude
474.757 km
Semi-major axis
6,853.578 km
Eccentricity
0.0001
Inclination
53.1569°
RAAN
158.9269°
Arg. of periapsis
91.4652°
True anomaly
268.63487°
Mean anomaly
268.6463°
Eccentric anomaly
268.64058°
Mean motion
3.82531 °/min
Orbital period
94.11 mins
BSTAR
0.00059179
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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 | 2025-12-18 15:13:05.579Z | 278.199° WNW | 2025-12-18 15:15:05.579Z | 320.993° NNW | 25.101° | 2025-12-18 15:18:05.579Z | 27.475° NE |
| 5 mins | 2025-12-18 20:10:05.579Z | 333.538° NNW | 2025-12-18 20:12:05.579Z | 23.192° NE | 30.671° | 2025-12-18 20:15:05.579Z | 97.069° ESE |
| 5 mins | 2025-12-18 21:48:05.579Z | 275.892° WNW | 2025-12-18 21:50:05.579Z | 229.668° WSW | 24.347° | 2025-12-18 21:53:05.579Z | 171.405° S |
| 5 mins | 2025-12-19 13:06:05.579Z | 182.615° SSW | 2025-12-19 13:08:05.579Z | 126.263° SE | 28.585° | 2025-12-19 13:11:05.579Z | 68.353° E |
| 5 mins | 2025-12-19 14:44:05.579Z | 282.063° WNW | 2025-12-19 14:46:05.579Z | 338.821° N | 27.347° | 2025-12-19 14:49:05.579Z | 33.796° NE |
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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