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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-33959
1 63817U 25092P 25292.93920473 .00032871 00000-0 11981-2 0 9993
2 63817 43.0027 247.0015 0001260 274.5090 85.5618 15.27596355 27143Epoch: 2025-10-19T22:32Z
TLE epoch observation values (Epoch: 2025-10-19T22:32:27.288Z)
Latitude
-0.00001°
Longitude
-119.76089°
Altitude
482.709 km
Speed
7.626 km/s
True Right ascension
16h 28m 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
07:51:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.81 km
Perigee altitude
484.08 km
Semi-major axis
6,863.082 km
Eccentricity
0.00013
Inclination
43.0027°
RAAN
247.0015°
Arg. of periapsis
274.509°
True anomaly
85.5762°
Mean anomaly
85.5618°
Eccentric anomaly
85.569°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.0011981
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-10-20 23:50:44.502Z | 201.23° SSW | 2025-10-20 23:53:44.502Z | 133.852° SE | 24.447° | 2025-10-20 23:55:44.502Z | 94.974° ESE |
| 6 mins | 2025-10-21 01:29:44.502Z | 258.633° W | 2025-10-21 01:31:44.502Z | 292.262° WNW | 43.714° | 2025-10-21 01:35:44.502Z | 71.198° E |
| 6 mins | 2025-10-21 03:08:44.502Z | 290.552° WNW | 2025-10-21 03:10:44.502Z | 334.888° NNW | 36.717° | 2025-10-21 03:14:44.502Z | 78.882° E |
| 6 mins | 2025-10-21 04:47:44.502Z | 287.462° WNW | 2025-10-21 04:50:44.502Z | 117.448° SE | 42.755° | 2025-10-21 04:53:44.502Z | 110.892° ESE |
| 4 mins | 2025-10-21 06:27:44.502Z | 241.165° WSW | 2025-10-21 06:28:44.502Z | 218.95° SW | 19.949° | 2025-10-21 06:31:44.502Z | 164.707° S |
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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