STARLINK-33960, 63966
Orbit data source: Space-Track
STARLINK-33960, 63966 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 13 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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63966 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-33960
1 63966U 25099Q 25346.62492332 .00035743 00000-0 13029-2 0 9995
2 63966 43.0021 307.6781 0001601 268.6245 91.4424 15.27559223 34029Epoch: 2025-12-12T14:59Z
TLE epoch observation values (Epoch: 2025-12-12T14:59:53.374Z)
Latitude
0.00002°
Longitude
1.14186°
Altitude
482.915 km
Speed
7.626 km/s
True Right ascension
20h 30m 42s
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
09:36:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.155 km
Perigee altitude
483.957 km
Semi-major axis
6,863.193 km
Eccentricity
0.00016
Inclination
43.0021°
RAAN
307.6781°
Arg. of periapsis
268.6245°
True anomaly
91.46074°
Mean anomaly
91.4424°
Eccentric anomaly
91.45157°
Mean motion
3.81728 °/min
Orbital period
94.31 mins
BSTAR
0.0013029
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Other satellites on launch #99 in the year 2025 (2025-05-13 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-33960 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 | 2025-12-14 00:09:02.925Z | 195.883° SSW | 2025-12-14 00:11:02.925Z | 154.976° SSE | 23.576° | 2025-12-14 00:14:02.925Z | 93.219° ESE |
| 5 mins | 2025-12-14 01:48:02.925Z | 256.916° W | 2025-12-14 01:50:02.925Z | 351.456° N | 44.74° | 2025-12-14 01:53:02.925Z | 70.727° E |
| 5 mins | 2025-12-14 03:27:02.925Z | 292.403° WNW | 2025-12-14 03:29:02.925Z | 351.841° N | 37.871° | 2025-12-14 03:32:02.925Z | 74.672° E |
| 6 mins | 2025-12-14 05:06:02.925Z | 288.369° WNW | 2025-12-14 05:08:02.925Z | 290.017° WNW | 44.167° | 2025-12-14 05:12:02.925Z | 109.063° ESE |
| 4 mins | 2025-12-14 06:45:02.925Z | 254.751° W | 2025-12-14 06:47:02.925Z | 212.077° SW | 21.167° | 2025-12-14 06:49:02.925Z | 171.347° S |
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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