STARLINK-35615, 66257
Orbit data source: Space-Track
STARLINK-35615, 66257 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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66257 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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-35615
1 66257U 25245Z 26171.18971491 .00014568 00000-0 50293-3 0 9997
2 66257 53.1595 167.5051 0001479 102.4627 257.6540 15.30205640 36952Epoch: 2026-06-20T04:33Z
TLE epoch observation values (Epoch: 2026-06-20T04:33:11.368Z)
Latitude
0.00005°
Longitude
-169.20014°
Altitude
476.315 km
Speed
7.629 km/s
True Right ascension
11h 10m 01s
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
07:18:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.468 km
Perigee altitude
474.441 km
Semi-major axis
6,853.592 km
Eccentricity
0.00015
Inclination
53.1595°
RAAN
167.5051°
Arg. of periapsis
102.4627°
True anomaly
257.63744°
Mean anomaly
257.654°
Eccentric anomaly
257.64572°
Mean motion
3.8253 °/min
Orbital period
94.11 mins
BSTAR
0.00050293
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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-35615 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-21 02:42:26.649Z | 244.29° WSW | 2026-06-21 02:44:26.649Z | 338.744° N | 42.692° | 2026-06-21 02:47:26.649Z | 44.602° NE |
| 4 mins | 2026-06-21 07:39:26.649Z | 349.944° N | 2026-06-21 07:41:26.649Z | 31.559° NE | 17.95° | 2026-06-21 07:43:26.649Z | 66.926° ENE |
| 5 mins | 2026-06-21 09:17:26.649Z | 306.73° NW | 2026-06-21 09:19:26.649Z | 191.083° SSW | 44.671° | 2026-06-21 09:22:26.649Z | 134.316° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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