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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-11581
1 63144U 25043N 26256.14493181 .00130063 00000-0 10005-2 0 9995
2 63144 43.0019 200.8224 0001316 260.4022 99.6697 15.70859400 88957Epoch: 2026-09-13T03:28Z
TLE epoch observation values (Epoch: 2026-09-13T03:28:42.108Z)
Latitude
-0.00001°
Longitude
156.50315°
Altitude
356.36 km
Speed
7.697 km/s
True Right ascension
13h 23m 17s
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
01:28:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.307 km
Perigee altitude
357.534 km
Semi-major axis
6,736.558 km
Eccentricity
0.00013
Inclination
43.0019°
RAAN
200.8224°
Arg. of periapsis
260.4022°
True anomaly
99.68457°
Mean anomaly
99.6697°
Eccentric anomaly
99.67713°
Mean motion
3.92542 °/min
Orbital period
91.71 mins
BSTAR
0.0010005
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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 | 2026-09-13 23:31:43.280Z | 199.876° SSW | 2026-09-13 23:33:43.280Z | 138.753° SSE | 26.862° | 2026-09-13 23:35:43.280Z | 92.117° ESE |
| 4 mins | 2026-09-14 01:07:43.280Z | 268.153° W | 2026-09-14 01:09:43.280Z | 27.386° NE | 58.091° | 2026-09-14 01:11:43.280Z | 67.034° ENE |
| 4 mins | 2026-09-14 04:20:43.280Z | 283.589° WNW | 2026-09-14 04:21:43.280Z | 256.221° W | 73.228° | 2026-09-14 04:24:43.280Z | 113.472° 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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