STARLINK-11579, 63143
Orbit data source: Space-Track
STARLINK-11579, 63143 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 03 Mar 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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63143 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-11579
1 63143U 25043M 26255.86405312 .00134185 00000-0 10294-2 0 9990
2 63143 43.0016 202.1443 0001382 241.7700 118.3029 15.70910707 88797Epoch: 2026-09-12T20:44Z
TLE epoch observation values (Epoch: 2026-09-12T20:44:14.189Z)
Latitude
0.00003°
Longitude
-100.78173°
Altitude
356.506 km
Speed
7.697 km/s
True Right ascension
13h 28m 34s
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
23:51:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.205 km
Perigee altitude
357.343 km
Semi-major axis
6,736.411 km
Eccentricity
0.00014
Inclination
43.0016°
RAAN
202.1443°
Arg. of periapsis
241.77°
True anomaly
118.31684°
Mean anomaly
118.3029°
Eccentric anomaly
118.30987°
Mean motion
3.92555 °/min
Orbital period
91.71 mins
BSTAR
0.0010294
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Other satellites on launch #43 in the year 2025 (2025-03-03 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-11579 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 | 2026-09-14 00:28:00.454Z | 238.998° WSW | 2026-09-14 00:29:00.454Z | 201.219° SSW | 70.976° | 2026-09-14 00:32:00.454Z | 73.684° E |
| 4 mins | 2026-09-14 02:04:00.454Z | 296.604° NW | 2026-09-14 02:05:00.454Z | 330.804° NNW | 40.75° | 2026-09-14 02:08:00.454Z | 69.042° E |
| 4 mins | 2026-09-14 03:40:00.454Z | 297.231° NW | 2026-09-14 03:42:00.454Z | 48.747° ENE | 57.226° | 2026-09-14 03:44:00.454Z | 93.541° ESE |
| 4 mins | 2026-09-14 05:16:00.454Z | 260.595° W | 2026-09-14 05:18:00.454Z | 195.243° SSW | 28.434° | 2026-09-14 05:20:00.454Z | 149.36° SSE |
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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