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 + 1 Pan, 14.5 m
Radar Cross Section
41.120 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 25257.32472580 .00011081 00000-0 38556-3 0 9993
2 63501 53.1571 239.4050 0000957 102.2373 257.8735 15.30211635 25709Epoch: 2025-09-14T07:47Z
TLE epoch observation values (Epoch: 2025-09-14T07:47:36.309Z)
Latitude
0°
Longitude
128.95835°
Altitude
476.218 km
Speed
7.629 km/s
True Right ascension
15h 57m 37s
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
22:06:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.093 km
Perigee altitude
474.781 km
Semi-major axis
6,853.574 km
Eccentricity
0.0001
Inclination
53.1571°
RAAN
239.405°
Arg. of periapsis
102.2373°
True anomaly
257.86278°
Mean anomaly
257.8735°
Eccentric anomaly
257.86814°
Mean motion
3.82532 °/min
Orbital period
94.11 mins
BSTAR
0.00038556
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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 | 2025-09-15 07:47:50.358Z | 330.851° NNW | 2025-09-15 07:49:50.358Z | 25.674° NE | 34.173° | 2025-09-15 07:52:50.358Z | 103.489° ESE |
| 4 mins | 2025-09-15 09:25:50.358Z | 270.281° WNW | 2025-09-15 09:27:50.358Z | 227.111° WSW | 20.657° | 2025-09-15 09:29:50.358Z | 186.791° SSW |
| 5 mins | 2025-09-16 00:43:50.358Z | 188.759° SSW | 2025-09-16 00:45:50.358Z | 119.947° SE | 32.644° | 2025-09-16 00:48:50.358Z | 64.011° ENE |
| 4 mins | 2025-09-16 02:21:50.358Z | 288.221° WNW | 2025-09-16 02:23:50.358Z | 340.515° N | 24.63° | 2025-09-16 02:25:50.358Z | 22.842° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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