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: 1 day ago
TLE from 1 day ago
0 STARLINK-33811
1 63504U 25071M 25260.00791254 .00039795 00000-0 13479-2 0 9995
2 63504 53.1535 226.9968 0000463 14.1301 345.9712 15.30216183 26118Epoch: 2025-09-17T00:11Z
TLE epoch observation values (Epoch: 2025-09-17T00:11:23.643Z)
Latitude
-0.00006°
Longitude
-132.0418°
Altitude
475.758 km
Speed
7.629 km/s
True Right ascension
15h 07m 59s
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
02:12:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
475.742 km
Perigee altitude
475.107 km
Semi-major axis
6,853.561 km
Eccentricity
0.00005
Inclination
53.1535°
RAAN
226.9968°
Arg. of periapsis
14.1301°
True anomaly
345.96991°
Mean anomaly
345.9712°
Eccentric anomaly
345.97056°
Mean motion
3.82533 °/min
Orbital period
94.11 mins
BSTAR
0.0013479
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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 | 2025-09-18 23:22:04.926Z | 190.288° SSW | 2025-09-18 23:25:04.926Z | 126.322° SE | 26.13° | 2025-09-18 23:28:04.926Z | 70.399° E |
| 5 mins | 2025-09-19 01:01:04.926Z | 279.415° WNW | 2025-09-19 01:03:04.926Z | 340.831° N | 28.948° | 2025-09-19 01:06:04.926Z | 35.191° NE |
| 4 mins | 2025-09-19 05:58:04.926Z | 347.228° N | 2025-09-19 06:00:04.926Z | 44.583° NE | 26.026° | 2025-09-19 06:02:04.926Z | 85.834° E |
| 4 mins | 2025-09-19 07:36:04.926Z | 273.331° WNW | 2025-09-19 07:37:04.926Z | 245.836° WSW | 29.158° | 2025-09-19 07:40:04.926Z | 166.425° S |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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