STARLINK-11558, 63055
Orbit data source: Space-Track
STARLINK-11558, 63055 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 21 Feb 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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63055 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-11558
1 63055U 25035D 26171.23586706 .00191132 00000-0 14500-2 0 9997
2 63055 43.0009 116.7895 0001661 284.8749 75.1935 15.70988703 77248Epoch: 2026-06-20T05:39Z
TLE epoch observation values (Epoch: 2026-06-20T05:39:38.913Z)
Latitude
-0.00002°
Longitude
123.42395°
Altitude
355.556 km
Speed
7.698 km/s
True Right ascension
07h 47m 09s
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
07:16:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.171 km
Perigee altitude
356.933 km
Semi-major axis
6,736.189 km
Eccentricity
0.00017
Inclination
43.0009°
RAAN
116.7895°
Arg. of periapsis
284.8749°
True anomaly
75.2119°
Mean anomaly
75.1935°
Eccentric anomaly
75.2027°
Mean motion
3.92574 °/min
Orbital period
91.7 mins
BSTAR
0.00145
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Other satellites on launch #35 in the year 2025 (2025-02-21 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-11558 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-21 00:12:02.470Z | 233.104° WSW | 2026-06-21 00:14:02.470Z | 195.126° SSW | 36.448° | 2026-06-21 00:17:02.470Z | 78.816° E |
| 4 mins | 2026-06-21 01:49:02.470Z | 287.21° WNW | 2026-06-21 01:51:02.470Z | 23.413° NE | 34.324° | 2026-06-21 01:53:02.470Z | 66.864° ENE |
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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