STARLINK-35121, 65737
Orbit data source: Space-Track
STARLINK-35121, 65737 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 25 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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65737 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: 1 day ago
TLE from 1 day ago
0 STARLINK-35121
1 65737U 25216D 26170.40558979 .00017038 00000-0 58621-3 0 9991
2 65737 53.1587 220.6502 0001368 101.8357 258.2797 15.30191146 42118Epoch: 2026-06-19T09:44Z
TLE epoch observation values (Epoch: 2026-06-19T09:44:02.957Z)
Latitude
-0.00006°
Longitude
167.0028°
Altitude
476.332 km
Speed
7.629 km/s
True Right ascension
14h 42m 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
07:12:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.436 km
Perigee altitude
474.561 km
Semi-major axis
6,853.635 km
Eccentricity
0.00014
Inclination
53.1587°
RAAN
220.6502°
Arg. of periapsis
101.8357°
True anomaly
258.26435°
Mean anomaly
258.2797°
Eccentric anomaly
258.27203°
Mean motion
3.82527 °/min
Orbital period
94.11 mins
BSTAR
0.00058621
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Other satellites on launch #216 in the year 2025 (2025-09-25 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-35121 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 05:49:31.045Z | 235.104° WSW | 2026-06-21 05:51:31.045Z | 300.48° NW | 44.541° | 2026-06-21 05:54:31.045Z | 47.408° ENE |
| 4 mins | 2026-06-21 10:46:31.045Z | 347.9° N | 2026-06-21 10:48:31.045Z | 26.882° NE | 16.829° | 2026-06-21 10:50:31.045Z | 62.157° ENE |
| 5 mins | 2026-06-21 12:24:31.045Z | 312.619° NW | 2026-06-21 12:26:31.045Z | 353.851° N | 44.676° | 2026-06-21 12:29:31.045Z | 128.187° 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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