STARLINK-11681, 63755
Orbit data source: Space-Track
STARLINK-11681, 63755 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 29 Apr 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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63755 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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-11681
1 63755U 25089E 26171.31829852 .00151264 00000-0 11597-2 0 9999
2 63755 43.0026 33.8702 0000867 20.4304 339.6598 15.70866645 66272Epoch: 2026-06-20T07:38Z
TLE epoch observation values (Epoch: 2026-06-20T07:38:20.992Z)
Latitude
-0.00002°
Longitude
10.74807°
Altitude
355.643 km
Speed
7.698 km/s
True Right ascension
02h 15m 28s
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
07:14:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
358.984 km
Perigee altitude
357.816 km
Semi-major axis
6,736.537 km
Eccentricity
0.00009
Inclination
43.0026°
RAAN
33.8702°
Arg. of periapsis
20.4304°
True anomaly
339.65635°
Mean anomaly
339.6598°
Eccentric anomaly
339.65807°
Mean motion
3.92544 °/min
Orbital period
91.71 mins
BSTAR
0.0011597
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Other satellites on launch #89 in the year 2025 (2025-04-29 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-11681 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 | 2026-06-20 21:45:19.012Z | 297.381° NW | 2026-06-20 21:47:19.012Z | 14.354° NNE | 36.555° | 2026-06-20 21:49:19.012Z | 79.209° E |
| 4 mins | 2026-06-21 19:00:19.012Z | 256.267° W | 2026-06-21 19:02:19.012Z | 52.781° ENE | 42.657° | 2026-06-21 19:04:19.012Z | 70.239° E |
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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