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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-11581
1 63144U 25043N 26091.46453205 .00214199 00000-0 16260-2 0 9992
2 63144 42.9994 113.4679 0001238 253.3108 106.7623 15.70900815 63059Epoch: 2026-04-01T11:08Z
TLE epoch observation values (Epoch: 2026-04-01T11:08:55.569Z)
Latitude
-0.00006°
Longitude
116.40931°
Altitude
356.333 km
Speed
7.697 km/s
True Right ascension
07h 33m 52s
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
01:55:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.137 km
Perigee altitude
357.469 km
Semi-major axis
6,736.44 km
Eccentricity
0.00012
Inclination
42.9994°
RAAN
113.4679°
Arg. of periapsis
253.3108°
True anomaly
106.77588°
Mean anomaly
106.7623°
Eccentric anomaly
106.76909°
Mean motion
3.92552 °/min
Orbital period
91.71 mins
BSTAR
0.001626
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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 | 2026-04-02 05:43:14.128Z | 249.722° W | 2026-04-02 05:45:14.128Z | 94.646° ESE | 44.845° | 2026-04-02 05:47:14.128Z | 72.293° E |
| 4 mins | 2026-04-02 08:56:14.128Z | 295.407° NW | 2026-04-02 08:57:14.128Z | 315.828° NNW | 40.151° | 2026-04-02 09:00:14.128Z | 100.363° ESE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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