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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Edit Public Description
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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-11581
1 63144U 25043N 25352.12455673 .00102531 00000-0 79134-3 0 9991
2 63144 42.9993 22.3993 0001346 315.6539 44.4221 15.70881624 46649Epoch: 2025-12-18T02:59Z
TLE epoch observation values (Epoch: 2025-12-18T02:59:21.701Z)
Latitude
0°
Longitude
-109.42568°
Altitude
355.5 km
Speed
7.698 km/s
True Right ascension
01h 29m 35s
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
11:52:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.265 km
Perigee altitude
357.451 km
Semi-major axis
6,736.495 km
Eccentricity
0.00013
Inclination
42.9993°
RAAN
22.3993°
Arg. of periapsis
315.6539°
True anomaly
44.4329°
Mean anomaly
44.4221°
Eccentric anomaly
44.4275°
Mean motion
3.92547 °/min
Orbital period
91.71 mins
BSTAR
0.00079134
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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 | 2025-12-19 05:08:19.283Z | 199.456° SSW | 2025-12-19 05:10:19.283Z | 143.31° SSE | 23.012° | 2025-12-19 05:12:19.283Z | 94.785° ESE |
| 4 mins | 2025-12-19 06:44:19.283Z | 265.001° W | 2025-12-19 06:46:19.283Z | 22.697° NE | 41.862° | 2025-12-19 06:48:19.283Z | 67.651° E |
| 4 mins | 2025-12-19 09:57:19.283Z | 284.733° WNW | 2025-12-19 09:58:19.283Z | 268.831° W | 43.086° | 2025-12-19 10:01:19.283Z | 112.427° 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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