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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Edit Public Description
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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-11579
1 63143U 25043M 26036.50210834 .00158804 00000-0 12137-2 0 9993
2 63143 42.9991 84.3888 0004348 238.4577 121.5866 15.70909164 54298Epoch: 2026-02-05T12:03Z
TLE epoch observation values (Epoch: 2026-02-05T12:03:02.160Z)
Latitude
-0.00004°
Longitude
127.97634°
Altitude
357.603 km
Speed
7.696 km/s
True Right ascension
05h 37m 33s
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
11:38:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
361.208 km
Perigee altitude
355.35 km
Semi-major axis
6,736.416 km
Eccentricity
0.00043
Inclination
42.9991°
RAAN
84.3888°
Arg. of periapsis
238.4577°
True anomaly
121.62903°
Mean anomaly
121.5866°
Eccentric anomaly
121.60782°
Mean motion
3.92554 °/min
Orbital period
91.71 mins
BSTAR
0.0012137
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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 | 2026-02-06 09:47:26.727Z | 295.976° NW | 2026-02-06 09:49:26.727Z | 2.513° NNE | 36.427° | 2026-02-06 09:51:26.727Z | 77.103° E |
| 4 mins | 2026-02-06 11:24:26.727Z | 268.556° W | 2026-02-06 11:25:26.727Z | 222.542° SW | 38.776° | 2026-02-06 11:28:26.727Z | 125.338° SE |
| 4 mins | 2026-02-07 07:02:26.727Z | 254.541° W | 2026-02-07 07:04:26.727Z | 58.503° ENE | 42.882° | 2026-02-07 07:06:26.727Z | 70.74° E |
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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