STARLINK-35187, 65521
Orbit data source: Space-Track
STARLINK-35187, 65521 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Sat, 06 Sep 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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65521 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-35187
1 65521U 25200B 26171.17513018 .00005206 00000-0 36441-3 0 9995
2 65521 97.3355 239.7615 0001514 110.8966 249.2424 15.05662810 44557Epoch: 2026-06-20T04:12Z
TLE epoch observation values (Epoch: 2026-06-20T04:12:11.247Z)
Latitude
0°
Longitude
-91.67889°
Altitude
552.917 km
Speed
7.585 km/s
True Right ascension
15h 59m 02s
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
08:33:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
547.502 km
Perigee altitude
545.405 km
Semi-major axis
6,924.591 km
Eccentricity
0.00015
Inclination
97.3355°
RAAN
239.7615°
Arg. of periapsis
110.8966°
True anomaly
249.22618°
Mean anomaly
249.2424°
Eccentric anomaly
249.23429°
Mean motion
3.76662 °/min
Orbital period
95.58 mins
BSTAR
0.00036441
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Other satellites on launch #200 in the year 2025 (2025-09-06 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-35187 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 | 2026-06-21 04:15:11.500Z | 145.903° SSE | 2026-06-21 04:18:11.500Z | 95.861° ESE | 34.676° | 2026-06-21 04:22:11.500Z | 1.639° NNE |
| 6 mins | 2026-06-21 17:28:11.500Z | 12.114° NNE | 2026-06-21 17:30:11.500Z | 13.163° NNE | 44.731° | 2026-06-21 17:34:11.500Z | 192.943° 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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