STARLINK-35917, 66503
Orbit data source: Space-Track
STARLINK-35917, 66503 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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66503 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-35917
1 66503U 25263U 26171.19184168 .00013903 00000-0 51397-3 0 9997
2 66503 42.9988 131.9555 0000856 271.9522 88.1232 15.27569653 34570Epoch: 2026-06-20T04:36Z
TLE epoch observation values (Epoch: 2026-06-20T04:36:15.121Z)
Latitude
0.00002°
Longitude
154.48252°
Altitude
482.836 km
Speed
7.626 km/s
True Right ascension
08h 47m 49s
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
07:16:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.613 km
Perigee altitude
484.438 km
Semi-major axis
6,863.162 km
Eccentricity
0.00009
Inclination
42.9988°
RAAN
131.9555°
Arg. of periapsis
271.9522°
True anomaly
88.133°
Mean anomaly
88.1232°
Eccentric anomaly
88.1281°
Mean motion
3.8173 °/min
Orbital period
94.31 mins
BSTAR
0.00051397
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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-35917 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-21 01:14:41.650Z | 234.882° WSW | 2026-06-21 01:17:41.650Z | 114.498° SE | 40.141° | 2026-06-21 01:20:41.650Z | 75.505° E |
| 6 mins | 2026-06-21 02:53:41.650Z | 280.225° WNW | 2026-06-21 02:56:41.650Z | 23.164° NE | 37.69° | 2026-06-21 02:59:41.650Z | 71.99° E |
| 5 mins | 2026-06-21 04:33:41.650Z | 297.696° NW | 2026-06-21 04:35:41.650Z | 35.327° NE | 41.715° | 2026-06-21 04:38:41.650Z | 93.629° ESE |
| 5 mins | 2026-06-21 06:12:41.650Z | 261.381° W | 2026-06-21 06:14:41.650Z | 192.992° SSW | 32.152° | 2026-06-21 06:17:41.650Z | 139.271° 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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