STARLINK-35953, 66637
Orbit data source: Space-Track
STARLINK-35953, 66637 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 23 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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66637 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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-35953
1 66637U 25271W 26170.87452486 .00021577 00000-0 64757-3 0 9999
2 66637 53.1577 23.0280 0000739 99.2046 260.9041 15.34415352 33249Epoch: 2026-06-19T20:59Z
TLE epoch observation values (Epoch: 2026-06-19T20:59:18.947Z)
Latitude
0.00002°
Longitude
160.10183°
Altitude
463.639 km
Speed
7.636 km/s
True Right ascension
01h 32m 06s
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
07:20:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.42 km
Perigee altitude
462.409 km
Semi-major axis
6,841.052 km
Eccentricity
0.00007
Inclination
53.1577°
RAAN
23.028°
Arg. of periapsis
99.2046°
True anomaly
260.89574°
Mean anomaly
260.9041°
Eccentric anomaly
260.89992°
Mean motion
3.83583 °/min
Orbital period
93.85 mins
BSTAR
0.00064757
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Other satellites on launch #271 in the year 2025 (2025-11-23 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-35953 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 | 2026-06-20 22:28:56.459Z | 358.743° N | 2026-06-20 22:29:56.459Z | 24.868° NE | 22.718° | 2026-06-20 22:32:56.459Z | 83.974° E |
| 5 mins | 2026-06-21 00:05:56.459Z | 287.984° WNW | 2026-06-21 00:07:56.459Z | 217.553° SW | 36° | 2026-06-21 00:10:56.459Z | 152.228° SSE |
| 5 mins | 2026-06-21 16:57:56.459Z | 252.356° W | 2026-06-21 16:59:56.459Z | 296.016° NW | 36.306° | 2026-06-21 17:02:56.459Z | 36.651° NE |
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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