STARLINK-11503, 63142
Orbit data source: Space-Track
STARLINK-11503, 63142 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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63142 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-11503
1 63142U 25043L 26037.13264756 .00349038 00000-0 25908-2 0 9995
2 63142 42.9993 80.5148 0004287 221.9465 138.1074 15.71021758 54336Epoch: 2026-02-06T03:11Z
TLE epoch observation values (Epoch: 2026-02-06T03:11:00.749Z)
Latitude
-0.00005°
Longitude
-103.51329°
Altitude
357.896 km
Speed
7.695 km/s
True Right ascension
05h 22m 03s
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
11:35:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
360.845 km
Perigee altitude
355.07 km
Semi-major axis
6,736.094 km
Eccentricity
0.00043
Inclination
42.9993°
RAAN
80.5148°
Arg. of periapsis
221.9465°
True anomaly
138.14019°
Mean anomaly
138.1074°
Eccentric anomaly
138.1238°
Mean motion
3.92582 °/min
Orbital period
91.7 mins
BSTAR
0.0025908
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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-11503 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 | 2026-02-06 09:38:48.082Z | 290.224° WNW | 2026-02-06 09:41:48.082Z | 19.003° NNE | 35.308° | 2026-02-06 09:43:48.082Z | 76.867° E |
| 4 mins | 2026-02-07 06:54:48.082Z | 248.754° W | 2026-02-07 06:55:48.082Z | 242.975° WSW | 42.786° | 2026-02-07 06:58:48.082Z | 72.308° E |
| 4 mins | 2026-02-07 08:30:48.082Z | 296.457° NW | 2026-02-07 08:32:48.082Z | 28.112° NE | 32.122° | 2026-02-07 08:34:48.082Z | 70.085° E |
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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