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 26091.43799318 .00261176 00000-0 19539-2 0 9995
2 63143 43.0002 113.2542 0001913 294.5889 65.4780 15.71103439 62939Epoch: 2026-04-01T10:30Z
TLE epoch observation values (Epoch: 2026-04-01T10:30:42.610Z)
Latitude
0.00002°
Longitude
125.77585°
Altitude
354.979 km
Speed
7.698 km/s
True Right ascension
07h 33m 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
03:36:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.013 km
Perigee altitude
356.435 km
Semi-major axis
6,735.861 km
Eccentricity
0.00019
Inclination
43.0002°
RAAN
113.2542°
Arg. of periapsis
294.5889°
True anomaly
65.49795°
Mean anomaly
65.478°
Eccentric anomaly
65.48797°
Mean motion
3.92603 °/min
Orbital period
91.7 mins
BSTAR
0.0019539
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-04-02 05:02:12.150Z | 229.108° WSW | 2026-04-02 05:05:12.150Z | 139.218° SSE | 35.131° | 2026-04-02 05:07:12.150Z | 83.785° E |
| 4 mins | 2026-04-02 06:39:12.150Z | 280.141° WNW | 2026-04-02 06:41:12.150Z | 3.466° NNE | 37.326° | 2026-04-02 06:43:12.150Z | 64.621° ENE |
| 4 mins | 2026-04-02 08:16:12.150Z | 308.157° NW | 2026-04-02 08:17:12.150Z | 355.038° N | 37.12° | 2026-04-02 08:20:12.150Z | 86.178° E |
| 4 mins | 2026-04-02 09:52:12.150Z | 264.115° W | 2026-04-02 09:53:12.150Z | 222.368° SW | 35.432° | 2026-04-02 09:56:12.150Z | 130.4° SE |
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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