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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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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-33959
1 63817U 25092P 26304.58335648 -.00020476 00000-0 -73620-3 0 9992
2 63817 43.0004 279.9195 0001425 275.9390 184.5283 15.27597482 5867Epoch: 2026-10-31T14:00Z
TLE epoch observation values (Epoch: 2026-10-31T14:00:01.999Z)
Latitude
42.27385°
Longitude
134.21414°
Altitude
486.929 km
Speed
7.627 km/s
True Right ascension
01h 36m 26s
True Declination
42° 05' 45"
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
02:50:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.92 km
Perigee altitude
483.964 km
Semi-major axis
6,863.079 km
Eccentricity
0.00014
Inclination
43.0004°
RAAN
279.9195°
Arg. of periapsis
275.939°
True anomaly
184.52701°
Mean anomaly
184.5283°
Eccentric anomaly
184.52766°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
-0.0007362
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-11-01 07:17:11.421Z | 280.834° WNW | 2026-11-01 07:21:11.421Z | 182.333° SSW | 43.537° | 2026-11-01 07:24:11.421Z | 133.913° SE |
| 6 mins | 2026-11-02 01:53:11.421Z | 229.787° WSW | 2026-11-02 01:56:11.421Z | 128.864° SE | 54.264° | 2026-11-02 01:59:11.421Z | 77.23° E |
| 6 mins | 2026-11-02 03:32:11.421Z | 277.051° WNW | 2026-11-02 03:35:11.421Z | 17.475° NNE | 53.402° | 2026-11-02 03:38:11.421Z | 70.412° E |
| 5 mins | 2026-11-02 05:12:11.421Z | 298.478° NW | 2026-11-02 05:14:11.421Z | 20.585° NNE | 59.624° | 2026-11-02 05:17:11.421Z | 89.263° E |
| 5 mins | 2026-11-02 06:51:11.421Z | 268.47° W | 2026-11-02 06:53:11.421Z | 196.638° SSW | 47.215° | 2026-11-02 06:56:11.421Z | 134.451° SE |
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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