STARLINK-35553, 66120
Orbit data source: Space-Track
STARLINK-35553, 66120 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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66120 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-35553
1 66120U 25237G 26061.33222960 .00014444 00000-0 49873-3 0 9997
2 66120 53.1603 73.8348 0001607 85.4320 274.6864 15.30208283 21488Epoch: 2026-03-02T07:58Z
TLE epoch observation values (Epoch: 2026-03-02T07:58:24.637Z)
Latitude
-0.00004°
Longitude
154.10495°
Altitude
476 km
Speed
7.629 km/s
True Right ascension
04h 55m 20s
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
05:26:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.548 km
Perigee altitude
474.345 km
Semi-major axis
6,853.584 km
Eccentricity
0.00016
Inclination
53.1603°
RAAN
73.8348°
Arg. of periapsis
85.432°
True anomaly
274.66805°
Mean anomaly
274.6864°
Eccentric anomaly
274.67722°
Mean motion
3.82531 °/min
Orbital period
94.11 mins
BSTAR
0.00049873
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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-35553 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 | 2026-03-03 02:56:39.555Z | 204.039° SW | 2026-03-03 02:59:39.555Z | 137.352° SSE | 34.196° | 2026-03-03 03:02:39.555Z | 65.201° ENE |
| 5 mins | 2026-03-03 04:35:39.555Z | 283.522° WNW | 2026-03-03 04:37:39.555Z | 329.264° NNW | 24.28° | 2026-03-03 04:40:39.555Z | 29.165° NE |
| 5 mins | 2026-03-03 09:32:39.555Z | 335.287° NNW | 2026-03-03 09:34:39.555Z | 34.323° NE | 32.31° | 2026-03-03 09:37:39.555Z | 101.414° ESE |
| 4 mins | 2026-03-03 11:10:39.555Z | 269.989° W | 2026-03-03 11:12:39.555Z | 222.175° SW | 22.559° | 2026-03-03 11:14:39.555Z | 181.538° SSW |
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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