STARLINK-35699, 66557
Orbit data source: Space-Track
STARLINK-35699, 66557 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 21 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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66557 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35699
1 66557U 25268A 26171.27310926 .00011064 00000-0 41084-3 0 9991
2 66557 43.0025 128.1555 0001918 250.4343 109.6302 15.27590693 33646Epoch: 2026-06-20T06:33Z
TLE epoch observation values (Epoch: 2026-06-20T06:33:16.640Z)
Latitude
0.00002°
Longitude
121.34609°
Altitude
483.235 km
Speed
7.625 km/s
True Right ascension
08h 32m 37s
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
08:33:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.278 km
Perigee altitude
483.645 km
Semi-major axis
6,863.099 km
Eccentricity
0.00019
Inclination
43.0025°
RAAN
128.1555°
Arg. of periapsis
250.4343°
True anomaly
109.6509°
Mean anomaly
109.6302°
Eccentric anomaly
109.64055°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00041084
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Other satellites on launch #268 in the year 2025 (2025-11-21 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-35699 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 00:00:30.618Z | 200.614° SSW | 2026-06-21 00:03:30.618Z | 137.976° SSE | 23.628° | 2026-06-21 00:05:30.618Z | 97.63° ESE |
| 6 mins | 2026-06-21 01:39:30.618Z | 256.276° W | 2026-06-21 01:41:30.618Z | 274.447° WNW | 43.084° | 2026-06-21 01:45:30.618Z | 71.274° E |
| 6 mins | 2026-06-21 03:18:30.618Z | 289.037° WNW | 2026-06-21 03:21:30.618Z | 28.324° NE | 36.585° | 2026-06-21 03:24:30.618Z | 77.605° E |
| 6 mins | 2026-06-21 04:57:30.618Z | 288.218° WNW | 2026-06-21 05:00:30.618Z | 108.313° ESE | 43.902° | 2026-06-21 05:03:30.618Z | 109.124° ESE |
| 4 mins | 2026-06-21 06:37:30.618Z | 244.963° WSW | 2026-06-21 06:38:30.618Z | 222.763° SW | 20.864° | 2026-06-21 06:41:30.618Z | 164.487° S |
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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