STARLINK-33959, 63817
Orbit data source: Space-Track
STARLINK-33959, 63817 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 04 May 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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63817 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-33959
1 63817U 25092P 25309.93968537 .00029300 00000-0 10694-2 0 9998
2 63817 43.0047 150.9955 0002335 275.4003 84.6583 15.27598284 29740Epoch: 2025-11-05T22:33Z
TLE epoch observation values (Epoch: 2025-11-05T22:33:08.815Z)
Latitude
0.00001°
Longitude
127.30362°
Altitude
482.622 km
Speed
7.626 km/s
True Right ascension
10h 03m 58s
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
05:11:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.541 km
Perigee altitude
483.336 km
Semi-major axis
6,863.076 km
Eccentricity
0.00023
Inclination
43.0047°
RAAN
150.9955°
Arg. of periapsis
275.4003°
True anomaly
84.68494°
Mean anomaly
84.6583°
Eccentric anomaly
84.67162°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.0010694
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Other satellites on launch #92 in the year 2025 (2025-05-04 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-33959 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 | 2025-11-06 15:59:48.230Z | 182.988° SSW | 2025-11-06 16:01:48.230Z | 147.984° SSE | 17.088° | 2025-11-06 16:03:48.230Z | 109.853° ESE |
| 5 mins | 2025-11-06 17:38:48.230Z | 240.257° WSW | 2025-11-06 17:40:48.230Z | 115.695° SE | 43.601° | 2025-11-06 17:43:48.230Z | 73.848° E |
| 5 mins | 2025-11-06 19:17:48.230Z | 290.372° WNW | 2025-11-06 19:19:48.230Z | 7.073° NNE | 38.217° | 2025-11-06 19:22:48.230Z | 72.272° E |
| 5 mins | 2025-11-06 20:56:48.230Z | 293.975° NW | 2025-11-06 20:58:48.230Z | 8.735° NNE | 43.541° | 2025-11-06 21:01:48.230Z | 97.997° ESE |
| 5 mins | 2025-11-06 22:35:48.230Z | 259.754° W | 2025-11-06 22:37:48.230Z | 204.475° SW | 28.434° | 2025-11-06 22:40:48.230Z | 147.25° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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