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 26170.91163645 .00175744 00000-0 13434-2 0 9996
2 63142 42.9998 354.1395 0001673 346.0539 14.0282 15.70855874 75375Epoch: 2026-06-19T21:52Z
TLE epoch observation values (Epoch: 2026-06-19T21:52:45.389Z)
Latitude
-0.00002°
Longitude
117.81654°
Altitude
355.128 km
Speed
7.699 km/s
True Right ascension
23h 36m 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
10:17:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.558 km
Perigee altitude
357.304 km
Semi-major axis
6,736.568 km
Eccentricity
0.00017
Inclination
42.9998°
RAAN
354.1395°
Arg. of periapsis
346.0539°
True anomaly
14.03285°
Mean anomaly
14.0282°
Eccentric anomaly
14.03052°
Mean motion
3.92541 °/min
Orbital period
91.71 mins
BSTAR
0.0013434
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-21 15:17:44.266Z | 219.241° SW | 2026-06-21 15:19:44.266Z | 161.357° S | 32.119° | 2026-06-21 15:21:44.266Z | 90.215° ESE |
| 4 mins | 2026-06-21 16:54:44.266Z | 286.044° WNW | 2026-06-21 16:55:44.266Z | 334.026° NNW | 38.423° | 2026-06-21 16:58:44.266Z | 68.604° E |
| 4 mins | 2026-06-21 18:30:44.266Z | 302.992° NW | 2026-06-21 18:31:44.266Z | 334.166° NNW | 33.916° | 2026-06-21 18:34:44.266Z | 81.863° E |
| 4 mins | 2026-06-21 20:06:44.266Z | 273.96° WNW | 2026-06-21 20:08:44.266Z | 166.837° S | 36.591° | 2026-06-21 20:10:44.266Z | 127.229° 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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