STARLINK-35816, 66499
Orbit data source: Space-Track
STARLINK-35816, 66499 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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66499 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-35816
1 66499U 25263Q 26171.27135888 .00015700 00000-0 57863-3 0 9996
2 66499 43.0009 131.7038 0000950 264.6749 95.3994 15.27592262 34587Epoch: 2026-06-20T06:30Z
TLE epoch observation values (Epoch: 2026-06-20T06:30:45.407Z)
Latitude
-0.00003°
Longitude
125.5262°
Altitude
482.849 km
Speed
7.626 km/s
True Right ascension
08h 46m 48s
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
07:17:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.609 km
Perigee altitude
484.305 km
Semi-major axis
6,863.094 km
Eccentricity
0.0001
Inclination
43.0009°
RAAN
131.7038°
Arg. of periapsis
264.6749°
True anomaly
95.41024°
Mean anomaly
95.3994°
Eccentric anomaly
95.40482°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00057863
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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-35816 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 | 2026-06-20 23:57:39.460Z | 187.293° SSW | 2026-06-20 23:59:39.460Z | 151.026° SSE | 18.876° | 2026-06-21 00:02:39.460Z | 96.785° ESE |
| 5 mins | 2026-06-21 01:36:39.460Z | 245.927° WSW | 2026-06-21 01:38:39.460Z | 115.872° SE | 44.637° | 2026-06-21 01:41:39.460Z | 72.891° E |
| 5 mins | 2026-06-21 03:15:39.460Z | 290.532° WNW | 2026-06-21 03:17:39.460Z | 358.56° N | 38.151° | 2026-06-21 03:20:39.460Z | 72.586° E |
| 5 mins | 2026-06-21 04:54:39.460Z | 292.109° WNW | 2026-06-21 04:56:39.460Z | 343.048° N | 43.909° | 2026-06-21 04:59:39.460Z | 100.884° ESE |
| 5 mins | 2026-06-21 06:33:39.460Z | 258.946° W | 2026-06-21 06:35:39.460Z | 209.118° SW | 26.163° | 2026-06-21 06:38:39.460Z | 151.753° 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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