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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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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-11503
1 63142U 25043L 26091.49626144 .00185184 00000-0 14115-2 0 9995
2 63142 42.9989 112.8272 0001189 232.9790 127.0969 15.70895738 62884Epoch: 2026-04-01T11:54Z
TLE epoch observation values (Epoch: 2026-04-01T11:54:36.988Z)
Latitude
-0.00001°
Longitude
104.31481°
Altitude
356.59 km
Speed
7.697 km/s
True Right ascension
07h 31m 18s
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
01:49:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.119 km
Perigee altitude
357.517 km
Semi-major axis
6,736.455 km
Eccentricity
0.00012
Inclination
42.9989°
RAAN
112.8272°
Arg. of periapsis
232.979°
True anomaly
127.10777°
Mean anomaly
127.0969°
Eccentric anomaly
127.10233°
Mean motion
3.92551 °/min
Orbital period
91.71 mins
BSTAR
0.0014115
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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 | 2026-04-02 04:54:47.383Z | 222.352° SW | 2026-04-02 04:56:47.383Z | 178.065° S | 31.105° | 2026-04-02 04:59:47.383Z | 83.331° E |
| 4 mins | 2026-04-02 06:31:47.383Z | 281.306° WNW | 2026-04-02 06:32:47.383Z | 310.772° NW | 35.708° | 2026-04-02 06:35:47.383Z | 67.113° ENE |
| 4 mins | 2026-04-02 08:07:47.383Z | 298.535° NW | 2026-04-02 08:09:47.383Z | 22.823° NE | 36.073° | 2026-04-02 08:11:47.383Z | 79.819° 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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