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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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, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 STARLINK-33837
1 63501U 25071J 26262.87124173 .00012266 00000-0 40627-3 0 9990
2 63501 53.1604 317.0021 0001266 79.0111 281.1033 15.31709219 82459Epoch: 2026-09-19T20:54Z
TLE epoch observation values (Epoch: 2026-09-19T20:54:35.285Z)
Latitude
-0°
Longitude
4.58152°
Altitude
471.446 km
Speed
7.632 km/s
True Right ascension
21h 08m 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
02:38:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.836 km
Perigee altitude
470.102 km
Semi-major axis
6,849.106 km
Eccentricity
0.00013
Inclination
53.1604°
RAAN
317.0021°
Arg. of periapsis
79.0111°
True anomaly
281.08906°
Mean anomaly
281.1033°
Eccentric anomaly
281.09618°
Mean motion
3.82906 °/min
Orbital period
94.02 mins
BSTAR
0.00040627
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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 | 2026-09-20 13:04:18.029Z | 320.634° NNW | 2026-09-20 13:06:18.029Z | 9.084° NNE | 59.626° | 2026-09-20 13:09:18.029Z | 116.761° SE |
| 5 mins | 2026-09-21 05:59:18.029Z | 209.444° SW | 2026-09-21 06:01:18.029Z | 104.862° ESE | 60.049° | 2026-09-21 06:04:18.029Z | 56.114° ENE |
| 4 mins | 2026-09-21 07:37:18.029Z | 296.82° NW | 2026-09-21 07:39:18.029Z | 340.669° N | 21.55° | 2026-09-21 07:41:18.029Z | 19.434° NNE |
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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