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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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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-33960
1 63966U 25099Q 26093.82805593 .00056717 00000-0 20545-2 0 9999
2 63966 43.0025 34.0130 0000878 19.8940 340.1946 15.27585071 51184Epoch: 2026-04-03T19:52Z
TLE epoch observation values (Epoch: 2026-04-03T19:52:24.032Z)
Latitude
0°
Longitude
-96.24372°
Altitude
482.243 km
Speed
7.626 km/s
True Right ascension
02h 16m 03s
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
18:08:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.581 km
Perigee altitude
484.376 km
Semi-major axis
6,863.116 km
Eccentricity
0.00009
Inclination
43.0025°
RAAN
34.013°
Arg. of periapsis
19.894°
True anomaly
340.19119°
Mean anomaly
340.1946°
Eccentric anomaly
340.1929°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
0.0020545
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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 | 2026-04-04 22:44:47.981Z | 203.283° SW | 2026-04-04 22:47:47.981Z | 136.724° SSE | 25.185° | 2026-04-04 22:49:47.981Z | 95.635° ESE |
| 6 mins | 2026-04-05 00:23:47.981Z | 259.323° W | 2026-04-05 00:25:47.981Z | 286.629° WNW | 42.873° | 2026-04-05 00:29:47.981Z | 71.004° E |
| 6 mins | 2026-04-05 02:02:47.981Z | 290.051° WNW | 2026-04-05 02:05:47.981Z | 30.382° NE | 36.532° | 2026-04-05 02:08:47.981Z | 78.852° E |
| 6 mins | 2026-04-05 03:41:47.981Z | 287.139° WNW | 2026-04-05 03:44:47.981Z | 124.644° SE | 43.48° | 2026-04-05 03:47:47.981Z | 111.745° ESE |
| 4 mins | 2026-04-05 05:21:47.981Z | 242.39° WSW | 2026-04-05 05:22:47.981Z | 220.93° SW | 19.366° | 2026-04-05 05:25:47.981Z | 166.37° 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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