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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-11581
1 63144U 25043N 26171.19782273 .00207726 00000-0 15795-2 0 9991
2 63144 43.0002 352.8607 0001503 278.9266 81.1432 15.70881027 75593Epoch: 2026-06-20T04:44Z
TLE epoch observation values (Epoch: 2026-06-20T04:44:51.883Z)
Latitude
-0°
Longitude
13.22862°
Altitude
355.993 km
Speed
7.698 km/s
True Right ascension
23h 31m 26s
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
07:20:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.372 km
Perigee altitude
357.347 km
Semi-major axis
6,736.496 km
Eccentricity
0.00015
Inclination
43.0002°
RAAN
352.8607°
Arg. of periapsis
278.9266°
True anomaly
81.16022°
Mean anomaly
81.1432°
Eccentric anomaly
81.15171°
Mean motion
3.92547 °/min
Orbital period
91.71 mins
BSTAR
0.0015795
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-20 20:26:53.811Z | 282.987° WNW | 2026-06-20 20:28:53.811Z | 253.001° W | 37.949° | 2026-06-20 20:31:53.811Z | 121.959° SE |
| 4 mins | 2026-06-21 17:42:53.811Z | 302.124° NW | 2026-06-21 17:43:53.811Z | 343.262° N | 33.878° | 2026-06-21 17:46:53.811Z | 72.031° E |
| 4 mins | 2026-06-21 19:18:53.811Z | 295.357° NW | 2026-06-21 19:19:53.811Z | 314.181° NW | 39.34° | 2026-06-21 19:22:53.811Z | 99.839° ESE |
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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