STARLINK-35616, 66255
Orbit data source: Space-Track
STARLINK-35616, 66255 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 29 Oct 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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66255 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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-35616
1 66255U 25245X 26171.36044225 .00006596 00000-0 23460-3 0 9999
2 66255 53.1574 167.1523 0001509 68.0109 292.1052 15.30202532 36974Epoch: 2026-06-20T08:39Z
TLE epoch observation values (Epoch: 2026-06-20T08:39:02.210Z)
Latitude
-0.00001°
Longitude
128.8169°
Altitude
475.718 km
Speed
7.629 km/s
True Right ascension
11h 08m 36s
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
07:17:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.499 km
Perigee altitude
474.43 km
Semi-major axis
6,853.601 km
Eccentricity
0.00015
Inclination
53.1574°
RAAN
167.1523°
Arg. of periapsis
68.0109°
True anomaly
292.08918°
Mean anomaly
292.1052°
Eccentric anomaly
292.09719°
Mean motion
3.82529 °/min
Orbital period
94.11 mins
BSTAR
0.0002346
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Other satellites on launch #245 in the year 2025 (2025-10-29 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-35616 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 02:03:48.178Z | 206.403° SW | 2026-06-21 02:06:48.178Z | 117.173° SE | 36.449° | 2026-06-21 02:09:48.178Z | 60.834° ENE |
| 4 mins | 2026-06-21 03:42:48.178Z | 291.139° WNW | 2026-06-21 03:44:48.178Z | 338.826° N | 22.68° | 2026-06-21 03:46:48.178Z | 20.511° NNE |
| 5 mins | 2026-06-21 08:39:48.178Z | 337.212° NNW | 2026-06-21 08:41:48.178Z | 51.24° ENE | 33.901° | 2026-06-21 08:44:48.178Z | 106.951° ESE |
| 4 mins | 2026-06-21 10:17:48.178Z | 261.652° W | 2026-06-21 10:18:48.178Z | 239.735° WSW | 20.188° | 2026-06-21 10:21:48.178Z | 181.081° 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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