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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-11503
1 63142U 25043L 25352.09270124 .00150601 00000-0 11554-2 0 9993
2 63142 43.0013 22.1427 0002043 295.7593 64.3063 15.70851240 46461Epoch: 2025-12-18T02:13Z
TLE epoch observation values (Epoch: 2025-12-18T02:13:29.387Z)
Latitude
-0.00005°
Longitude
-98.18297°
Altitude
355.638 km
Speed
7.698 km/s
True Right ascension
01h 28m 34s
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
11:53:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.821 km
Perigee altitude
357.068 km
Semi-major axis
6,736.581 km
Eccentricity
0.0002
Inclination
43.0013°
RAAN
22.1427°
Arg. of periapsis
295.7593°
True anomaly
64.3274°
Mean anomaly
64.3063°
Eccentric anomaly
64.31685°
Mean motion
3.9254 °/min
Orbital period
91.71 mins
BSTAR
0.0011554
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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
Loading observer location...
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 | 2025-12-19 07:32:59.206Z | 296.748° NW | 2025-12-19 07:33:59.206Z | 340.988° N | 35.365° | 2025-12-19 07:36:59.206Z | 69.706° E |
| 4 mins | 2025-12-19 09:08:59.206Z | 300.438° NW | 2025-12-19 09:09:59.206Z | 327.859° NNW | 36.544° | 2025-12-19 09:12:59.206Z | 90.512° ESE |
| 4 mins | 2025-12-19 10:44:59.206Z | 261.477° W | 2025-12-19 10:46:59.206Z | 183.723° SSW | 27.895° | 2025-12-19 10:48:59.206Z | 141.901° SSE |
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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