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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-33960
1 63966U 25099Q 26171.44174808 .00023833 00000-0 87209-3 0 9996
2 63966 43.0011 315.6895 0001340 260.0085 100.0615 15.27606886 63053Epoch: 2026-06-20T10:36Z
TLE epoch observation values (Epoch: 2026-06-20T10:36:07.034Z)
Latitude
-0.00003°
Longitude
-111.99616°
Altitude
482.905 km
Speed
7.626 km/s
True Right ascension
21h 02m 45s
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
10:20:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.833 km
Perigee altitude
483.994 km
Semi-major axis
6,863.051 km
Eccentricity
0.00013
Inclination
43.0011°
RAAN
315.6895°
Arg. of periapsis
260.0085°
True anomaly
100.07662°
Mean anomaly
100.0615°
Eccentric anomaly
100.06906°
Mean motion
3.8174 °/min
Orbital period
94.31 mins
BSTAR
0.00087209
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-21 11:54:03.073Z | 172.008° S | 2026-06-21 11:56:03.073Z | 133.812° SE | 15.999° | 2026-06-21 11:58:03.073Z | 101.68° ESE |
| 5 mins | 2026-06-21 13:32:03.073Z | 239.105° WSW | 2026-06-21 13:34:03.073Z | 170.55° S | 43.762° | 2026-06-21 13:37:03.073Z | 74.958° E |
| 5 mins | 2026-06-21 15:11:03.073Z | 286.288° WNW | 2026-06-21 15:13:03.073Z | 346.114° N | 38.414° | 2026-06-21 15:16:03.073Z | 70.347° E |
| 6 mins | 2026-06-21 16:50:03.073Z | 293.03° NW | 2026-06-21 16:52:03.073Z | 333.815° NNW | 42.069° | 2026-06-21 16:56:03.073Z | 98.188° ESE |
| 5 mins | 2026-06-21 18:29:03.073Z | 265.254° W | 2026-06-21 18:31:03.073Z | 215.745° SW | 29.545° | 2026-06-21 18:34:03.073Z | 147.843° 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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