STARLINK-33837, 63501
Orbit data source: Space-Track
STARLINK-33837, 63501 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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63501 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-33837
1 63501U 25071J 25348.89604468 .00015673 00000-0 54011-3 0 9993
2 63501 53.1572 174.0665 0001100 99.3784 260.7342 15.30202722 39720Epoch: 2025-12-14T21:30Z
TLE epoch observation values (Epoch: 2025-12-14T21:30:18.260Z)
Latitude
0.00006°
Longitude
127.68807°
Altitude
476.228 km
Speed
7.629 km/s
True Right ascension
11h 36m 15s
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
18:34:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.218 km
Perigee altitude
474.71 km
Semi-major axis
6,853.601 km
Eccentricity
0.00011
Inclination
53.1572°
RAAN
174.0665°
Arg. of periapsis
99.3784°
True anomaly
260.72176°
Mean anomaly
260.7342°
Eccentric anomaly
260.72798°
Mean motion
3.8253 °/min
Orbital period
94.11 mins
BSTAR
0.00054011
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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-33837 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 | 2025-12-15 21:30:59.258Z | 331.036° NNW | 2025-12-15 21:32:59.258Z | 38.72° NE | 36.394° | 2025-12-15 21:35:59.258Z | 108.459° ESE |
| 4 mins | 2025-12-15 23:08:59.258Z | 264.289° W | 2025-12-15 23:10:59.258Z | 221.704° SW | 18.471° | 2025-12-15 23:12:59.258Z | 186.492° SSW |
| 5 mins | 2025-12-16 14:25:59.258Z | 202.154° SSW | 2025-12-16 14:27:59.258Z | 158.327° S | 34.473° | 2025-12-16 14:30:59.258Z | 66.347° ENE |
| 4 mins | 2025-12-16 16:04:59.258Z | 294.893° NW | 2025-12-16 16:05:59.258Z | 318.292° NNW | 22.906° | 2025-12-16 16:08:59.258Z | 24.517° 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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