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, 14.5 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 STARLINK-11503
1 63142U 25043L 25258.37110727 .00246965 00000-0 18645-2 0 9998
2 63142 43.0013 227.0665 0001346 262.7428 97.3287 15.70930248 31720Epoch: 2025-09-15T08:54Z
TLE epoch observation values (Epoch: 2025-09-15T08:54:23.668Z)
Latitude
0.00002°
Longitude
98.89118°
Altitude
356.124 km
Speed
7.697 km/s
True Right ascension
15h 08m 15s
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
14:41:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.125 km
Perigee altitude
357.312 km
Semi-major axis
6,736.356 km
Eccentricity
0.00013
Inclination
43.0013°
RAAN
227.0665°
Arg. of periapsis
262.7428°
True anomaly
97.344°
Mean anomaly
97.3287°
Eccentric anomaly
97.33635°
Mean motion
3.9256 °/min
Orbital period
91.71 mins
BSTAR
0.0018645
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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 | 2025-09-16 01:56:40.062Z | 227.06° WSW | 2025-09-16 01:57:40.062Z | 188.079° SSW | 39.636° | 2025-09-16 02:00:40.062Z | 76.919° E |
| 4 mins | 2025-09-16 03:32:40.062Z | 291.358° WNW | 2025-09-16 03:33:40.062Z | 324.414° NNW | 33.893° | 2025-09-16 03:36:40.062Z | 68.157° E |
| 4 mins | 2025-09-16 05:08:40.062Z | 298.107° NW | 2025-09-16 05:10:40.062Z | 37.823° NE | 38.628° | 2025-09-16 05:12:40.062Z | 88.547° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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