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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-11581
1 63144U 25043N 26306.88337462 .00269709 00000-0 19442-2 0 9995
2 63144 42.9994 254.9735 0002599 201.5460 158.5299 15.71957932 96930Epoch: 2026-11-02T21:12Z
TLE epoch observation values (Epoch: 2026-11-02T21:12:03.567Z)
Latitude
-0.00001°
Longitude
-105.19537°
Altitude
354.701 km
Speed
7.697 km/s
True Right ascension
16h 59m 53s
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
04:55:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
357.034 km
Perigee altitude
353.534 km
Semi-major axis
6,733.421 km
Eccentricity
0.00026
Inclination
42.9994°
RAAN
254.9735°
Arg. of periapsis
201.546°
True anomaly
158.5408°
Mean anomaly
158.5299°
Eccentric anomaly
158.53535°
Mean motion
3.92816 °/min
Orbital period
91.65 mins
BSTAR
0.0019442
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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 | 2026-11-04 00:55:16.736Z | 255.03° W | 2026-11-04 00:56:16.736Z | 267.351° W | 71.194° | 2026-11-04 00:59:16.736Z | 70.877° E |
| 4 mins | 2026-11-04 02:31:16.736Z | 299.917° NW | 2026-11-04 02:32:16.736Z | 332.448° NNW | 38.869° | 2026-11-04 02:35:16.736Z | 71.173° E |
| 4 mins | 2026-11-04 04:07:16.736Z | 293.488° NW | 2026-11-04 04:09:16.736Z | 77.713° E | 61.654° | 2026-11-04 04:11:16.736Z | 101.916° 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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