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: 22 hours ago
TLE from 22 hours ago
0 STARLINK-33811
1 63504U 25071M 26032.03831125 .00029197 00000-0 99334-3 0 9998
2 63504 53.1595 310.5035 0001247 73.4913 286.6225 15.30223021 47096Epoch: 2026-02-01T00:55Z
TLE epoch observation values (Epoch: 2026-02-01T00:55:10.092Z)
Latitude
0.00003°
Longitude
165.45778°
Altitude
475.802 km
Speed
7.629 km/s
True Right ascension
20h 42m 00s
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
00:25:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.257 km
Perigee altitude
474.548 km
Semi-major axis
6,853.54 km
Eccentricity
0.00012
Inclination
53.1595°
RAAN
310.5035°
Arg. of periapsis
73.4913°
True anomaly
286.60881°
Mean anomaly
286.6225°
Eccentric anomaly
286.61565°
Mean motion
3.82535 °/min
Orbital period
94.11 mins
BSTAR
0.00099334
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-02-02 02:27:16.674Z | 344.432° N | 2026-02-02 02:29:16.674Z | 24.944° NE | 19.281° | 2026-02-02 02:31:16.674Z | 64.923° ENE |
| 5 mins | 2026-02-02 04:05:16.674Z | 303.081° NW | 2026-02-02 04:07:16.674Z | 252.653° W | 43.148° | 2026-02-02 04:10:16.674Z | 139.576° SSE |
| 6 mins | 2026-02-02 21:00:16.674Z | 239.451° WSW | 2026-02-02 21:03:16.674Z | 9.461° NNE | 41.398° | 2026-02-02 21:06:16.674Z | 45.817° ENE |
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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