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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Edit Public Description
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
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 STARLINK-35623
1 66138U 25237AA 26023.33335648 .00035881 00000-0 90490-3 0 9991
2 66138 53.1567 250.9856 0001311 86.9852 17.5613 15.39548508 5918Epoch: 2026-01-23T08:00Z
TLE epoch observation values (Epoch: 2026-01-23T08:00:01.999Z)
Latitude
50.9203°
Longitude
121.73562°
Altitude
452.617 km
Speed
7.648 km/s
True Right ascension
00h 17m 40s
True Declination
50° 44' 40"
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
04:22:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
448.596 km
Perigee altitude
446.807 km
Semi-major axis
6,825.838 km
Eccentricity
0.00013
Inclination
53.1567°
RAAN
250.9856°
Arg. of periapsis
86.9852°
True anomaly
17.56583°
Mean anomaly
17.5613°
Eccentric anomaly
17.56357°
Mean motion
3.84866 °/min
Orbital period
93.54 mins
BSTAR
0.0009049
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-01-24 16:25:41.327Z | 161.568° S | 2026-01-24 16:27:41.327Z | 120.328° SE | 16.665° | 2026-01-24 16:29:41.327Z | 85.317° E |
| 5 mins | 2026-01-24 18:02:41.327Z | 261.698° W | 2026-01-24 18:04:41.327Z | 346.644° N | 35.939° | 2026-01-24 18:07:41.327Z | 40.655° NE |
| 4 mins | 2026-01-24 22:57:41.327Z | 349.854° N | 2026-01-24 22:59:41.327Z | 35.878° NE | 19.217° | 2026-01-24 23:01:41.327Z | 73.196° E |
| 5 mins | 2026-01-25 00:34:41.327Z | 298.569° NW | 2026-01-25 00:36:41.327Z | 237.204° WSW | 41.03° | 2026-01-25 00:39:41.327Z | 144.369° 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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