STARLINK-11729, 64073
Orbit data source: Space-Track
STARLINK-11729, 64073 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 21 May 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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64073 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MD, Unknown motor
Mass
960 kg wet, ~910 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 18.1 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 STARLINK-11729
1 64073U 25107K 26171.44505142 .00149322 00000-0 11399-2 0 9993
2 64073 43.0015 199.3198 0003807 260.5990 99.4448 15.70969346 63450Epoch: 2026-06-20T10:40Z
TLE epoch observation values (Epoch: 2026-06-20T10:40:52.442Z)
Latitude
0.00001°
Longitude
130.44173°
Altitude
356.318 km
Speed
7.697 km/s
True Right ascension
13h 17m 16s
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
10:17:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
360.671 km
Perigee altitude
355.542 km
Semi-major axis
6,736.244 km
Eccentricity
0.00038
Inclination
43.0015°
RAAN
199.3198°
Arg. of periapsis
260.599°
True anomaly
99.48783°
Mean anomaly
99.4448°
Eccentric anomaly
99.46632°
Mean motion
3.92569 °/min
Orbital period
91.7 mins
BSTAR
0.0011399
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Other satellites on launch #107 in the year 2025 (2025-05-21 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-11729 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-21 05:12:40.260Z | 208.108° SW | 2026-06-21 05:14:40.260Z | 142.225° SSE | 28.072° | 2026-06-21 05:16:40.260Z | 90.105° ESE |
| 4 mins | 2026-06-21 06:48:40.260Z | 272.312° WNW | 2026-06-21 06:50:40.260Z | 10.384° NNE | 39.967° | 2026-06-21 06:52:40.260Z | 65.844° ENE |
| 4 mins | 2026-06-21 10:01:40.260Z | 276.339° WNW | 2026-06-21 10:02:40.260Z | 240.569° WSW | 40.934° | 2026-06-21 10:05:40.260Z | 120.018° 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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