STARLINK-35916, 66504
Orbit data source: Space-Track
STARLINK-35916, 66504 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 Nov 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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66504 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-35916
1 66504U 25263V 26171.19521288 .00017627 00000-0 64830-3 0 9999
2 66504 42.9986 135.4783 0000576 253.2025 106.8764 15.27592955 34536Epoch: 2026-06-20T04:41Z
TLE epoch observation values (Epoch: 2026-06-20T04:41:06.392Z)
Latitude
0°
Longitude
156.78835°
Altitude
482.9 km
Speed
7.626 km/s
True Right ascension
09h 01m 54s
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
07:17:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.351 km
Perigee altitude
484.56 km
Semi-major axis
6,863.093 km
Eccentricity
0.00006
Inclination
42.9986°
RAAN
135.4783°
Arg. of periapsis
253.2025°
True anomaly
106.88272°
Mean anomaly
106.8764°
Eccentric anomaly
106.87956°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.0006483
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Other satellites on launch #263 in the year 2025 (2025-11-15 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-35916 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 | 2026-06-21 01:19:33.626Z | 225.769° WSW | 2026-06-21 01:21:33.626Z | 159.669° S | 39.874° | 2026-06-21 01:24:33.626Z | 79.007° E |
| 5 mins | 2026-06-21 02:58:33.626Z | 281.131° WNW | 2026-06-21 03:00:33.626Z | 348.662° N | 39.847° | 2026-06-21 03:03:33.626Z | 69.221° E |
| 5 mins | 2026-06-21 04:37:33.626Z | 294.823° NW | 2026-06-21 04:39:33.626Z | 346.931° N | 40.556° | 2026-06-21 04:42:33.626Z | 88.386° E |
| 5 mins | 2026-06-21 06:16:33.626Z | 271.834° WNW | 2026-06-21 06:18:33.626Z | 217.093° SW | 35.638° | 2026-06-21 06:21:33.626Z | 137.279° SSE |
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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