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: 1 day ago
TLE from 1 day ago
0 STARLINK-11503
1 63142U 25043L 26306.21599793 .00161123 00000-0 11922-2 0 9993
2 63142 43.0001 258.5536 0002392 263.4149 96.6447 15.71677268 96657Epoch: 2026-11-02T05:11Z
TLE epoch observation values (Epoch: 2026-11-02T05:11:02.221Z)
Latitude
0.00002°
Longitude
139.29816°
Altitude
354.061 km
Speed
7.698 km/s
True Right ascension
17h 14m 12s
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
06:07:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
357.696 km
Perigee altitude
354.474 km
Semi-major axis
6,734.222 km
Eccentricity
0.00024
Inclination
43.0001°
RAAN
258.5536°
Arg. of periapsis
263.4149°
True anomaly
96.67193°
Mean anomaly
96.6447°
Eccentric anomaly
96.65831°
Mean motion
3.92746 °/min
Orbital period
91.66 mins
BSTAR
0.0011922
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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 | 2026-11-04 00:06:14.583Z | 225.944° WSW | 2026-11-04 00:08:14.583Z | 181.215° SSW | 41.56° | 2026-11-04 00:11:14.583Z | 81.262° E |
| 4 mins | 2026-11-04 01:43:14.583Z | 285.459° WNW | 2026-11-04 01:44:14.583Z | 318.501° NNW | 45.406° | 2026-11-04 01:47:14.583Z | 66.966° ENE |
| 4 mins | 2026-11-04 03:19:14.583Z | 300.607° NW | 2026-11-04 03:21:14.583Z | 32.877° NE | 45.739° | 2026-11-04 03:23:14.583Z | 81.953° E |
| 4 mins | 2026-11-04 04:55:14.583Z | 273.44° WNW | 2026-11-04 04:57:14.583Z | 181.987° SSW | 47.389° | 2026-11-04 04:59:14.583Z | 131.414° 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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