STARLINK-35623, 66138
Orbit data source: Space-Track
STARLINK-35623, 66138 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 22 Oct 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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66138 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: 1 day ago
TLE from 1 day ago
0 STARLINK-35623
1 66138U 25237AA 26170.62495931 .00015099 00000-0 52094-3 0 9995
2 66138 53.1582 286.3975 0001123 84.8115 275.3014 15.30195626 38218Epoch: 2026-06-19T14:59Z
TLE epoch observation values (Epoch: 2026-06-19T14:59:56.484Z)
Latitude
-0.00001°
Longitude
153.56089°
Altitude
476.057 km
Speed
7.629 km/s
True Right ascension
19h 05m 35s
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
08:43:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.255 km
Perigee altitude
474.715 km
Semi-major axis
6,853.622 km
Eccentricity
0.00011
Inclination
53.1582°
RAAN
286.3975°
Arg. of periapsis
84.8115°
True anomaly
275.28859°
Mean anomaly
275.3014°
Eccentric anomaly
275.29499°
Mean motion
3.82528 °/min
Orbital period
94.11 mins
BSTAR
0.00052094
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Other satellites on launch #237 in the year 2025 (2025-10-22 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-35623 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 09:29:10.766Z | 197.231° SSW | 2026-06-21 09:32:10.766Z | 118.806° SE | 31.081° | 2026-06-21 09:35:10.766Z | 64.905° ENE |
| 4 mins | 2026-06-21 11:08:10.766Z | 287.791° WNW | 2026-06-21 11:10:10.766Z | 342.626° N | 25.283° | 2026-06-21 11:12:10.766Z | 24.29° NE |
| 4 mins | 2026-06-21 16:05:10.766Z | 344.421° N | 2026-06-21 16:07:10.766Z | 50.92° ENE | 29.459° | 2026-06-21 16:09:10.766Z | 93.383° ESE |
| 4 mins | 2026-06-21 17:43:10.766Z | 264.806° W | 2026-06-21 17:44:10.766Z | 239.248° WSW | 24.543° | 2026-06-21 17:47:10.766Z | 173.52° S |
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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