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
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 STARLINK-35623
1 66138U 25237AA 26061.35333572 .00025979 00000-0 88621-3 0 9999
2 66138 53.1599 73.9585 0001273 89.5052 270.6095 15.30198840 21480Epoch: 2026-03-02T08:28Z
TLE epoch observation values (Epoch: 2026-03-02T08:28:48.206Z)
Latitude
0.00002°
Longitude
146.60969°
Altitude
476.109 km
Speed
7.629 km/s
True Right ascension
04h 55m 50s
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
07:14:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.347 km
Perigee altitude
474.603 km
Semi-major axis
6,853.612 km
Eccentricity
0.00013
Inclination
53.1599°
RAAN
73.9585°
Arg. of periapsis
89.5052°
True anomaly
270.59491°
Mean anomaly
270.6095°
Eccentric anomaly
270.60221°
Mean motion
3.82529 °/min
Orbital period
94.11 mins
BSTAR
0.00088621
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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 | 2026-03-03 05:08:04.355Z | 307.101° NW | 2026-03-03 05:09:04.355Z | 326.548° NNW | 17.308° | 2026-03-03 05:12:04.355Z | 22.299° NNE |
| 4 mins | 2026-03-03 08:26:04.355Z | 347.061° N | 2026-03-03 08:28:04.355Z | 24.383° NE | 15.849° | 2026-03-03 08:30:04.355Z | 58.905° ENE |
| 5 mins | 2026-03-03 10:04:04.355Z | 316.936° NNW | 2026-03-03 10:06:04.355Z | 4.856° NNE | 43.075° | 2026-03-03 10:09:04.355Z | 122.331° SE |
| 6 mins | 2026-03-04 02:59:04.355Z | 221.277° SW | 2026-03-04 03:02:04.355Z | 86.045° E | 42.399° | 2026-03-04 03:05:04.355Z | 53.465° ENE |
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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