STARLINK-11581, 63144
Orbit data source: Space-Track
STARLINK-11581, 63144 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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63144 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: 5 days ago
TLE from 5 days ago
0 STARLINK-11581
1 63144U 25043N 26155.17486257 .00182963 00000-0 13962-2 0 9993
2 63144 43.0002 89.4426 0001424 248.4413 111.6303 15.70874777 73074Epoch: 2026-06-04T04:11Z
TLE epoch observation values (Epoch: 2026-06-04T04:11:48.126Z)
Latitude
0°
Longitude
133.86917°
Altitude
356.52 km
Speed
7.697 km/s
True Right ascension
05h 57m 46s
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
03:43:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.337 km
Perigee altitude
357.418 km
Semi-major axis
6,736.514 km
Eccentricity
0.00014
Inclination
43.0002°
RAAN
89.4426°
Arg. of periapsis
248.4413°
True anomaly
111.64547°
Mean anomaly
111.6303°
Eccentric anomaly
111.63788°
Mean motion
3.92546 °/min
Orbital period
91.71 mins
BSTAR
0.0013962
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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-11581 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 | 2026-06-08 21:16:40.809Z | 218.672° SW | 2026-06-08 21:18:40.809Z | 159.36° S | 31.925° | 2026-06-08 21:20:40.809Z | 89.974° E |
| 4 mins | 2026-06-09 00:29:40.809Z | 306.168° NW | 2026-06-09 00:30:40.809Z | 345.584° N | 35.261° | 2026-06-09 00:33:40.809Z | 82.763° E |
| 4 mins | 2026-06-09 02:05:40.809Z | 270.927° WNW | 2026-06-09 02:06:40.809Z | 233.764° WSW | 37.756° | 2026-06-09 02:09:40.809Z | 125.684° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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