STARLINK-35728, 66544
Orbit data source: Space-Track
STARLINK-35728, 66544 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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66544 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-35728
1 66544U 25265AE 26171.39699086 .00014411 00000-0 53169-3 0 9990
2 66544 43.0016 57.6822 0000950 311.8652 48.2118 15.27610558 32820Epoch: 2026-06-20T09:31Z
TLE epoch observation values (Epoch: 2026-06-20T09:31:40.010Z)
Latitude
-0.00004°
Longitude
6.15324°
Altitude
482.299 km
Speed
7.626 km/s
True Right ascension
03h 50m 43s
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
07:12:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.555 km
Perigee altitude
484.251 km
Semi-major axis
6,863.04 km
Eccentricity
0.0001
Inclination
43.0016°
RAAN
57.6822°
Arg. of periapsis
311.8652°
True anomaly
48.21992°
Mean anomaly
48.2118°
Eccentric anomaly
48.21586°
Mean motion
3.81741 °/min
Orbital period
94.3 mins
BSTAR
0.00053169
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Other satellites on launch #265 in the year 2025 (2025-11-19 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-35728 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-20 20:45:09.323Z | 246.514° WSW | 2026-06-20 20:48:09.323Z | 228.132° WSW | 42.851° | 2026-06-20 20:52:09.323Z | 72.875° E |
| 6 mins | 2026-06-20 22:25:09.323Z | 285.447° WNW | 2026-06-20 22:28:09.323Z | 27.187° NE | 36.503° | 2026-06-20 22:31:09.323Z | 74.461° E |
| 6 mins | 2026-06-21 00:04:09.323Z | 290.887° WNW | 2026-06-21 00:07:09.323Z | 61.637° ENE | 43.063° | 2026-06-21 00:10:09.323Z | 100.889° ESE |
| 4 mins | 2026-06-21 01:44:09.323Z | 251.727° W | 2026-06-21 01:45:09.323Z | 226.393° WSW | 26.125° | 2026-06-21 01:48:09.323Z | 155.635° 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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