STARLINK-11634, 63673
Orbit data source: Space-Track
STARLINK-11634, 63673 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 28 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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63673 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-11634
1 63673U 25085K 26171.00257800 .00165138 00000-0 12646-2 0 9999
2 63673 42.9987 21.6516 0001457 301.6187 58.4539 15.70848688 66337Epoch: 2026-06-20T00:03Z
TLE epoch observation values (Epoch: 2026-06-20T00:03:42.739Z)
Latitude
0.00004°
Longitude
112.50011°
Altitude
355.728 km
Speed
7.698 km/s
True Right ascension
01h 26m 36s
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
07:24:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.434 km
Perigee altitude
357.471 km
Semi-major axis
6,736.589 km
Eccentricity
0.00015
Inclination
42.9987°
RAAN
21.6516°
Arg. of periapsis
301.6187°
True anomaly
58.46813°
Mean anomaly
58.4539°
Eccentric anomaly
58.46101°
Mean motion
3.92539 °/min
Orbital period
91.71 mins
BSTAR
0.0012646
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Other satellites on launch #85 in the year 2025 (2025-04-28 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-11634 Visibility forecast
Loading observer location...
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 21:51:18.529Z | 288.64° WNW | 2026-06-20 21:53:18.529Z | 28.22° NE | 44.99° | 2026-06-20 21:55:18.529Z | 108.135° ESE |
| 5 mins | 2026-06-21 17:29:18.529Z | 235.728° WSW | 2026-06-21 17:32:18.529Z | 113.784° SE | 37.399° | 2026-06-21 17:34:18.529Z | 78.268° E |
| 4 mins | 2026-06-21 19:06:18.529Z | 287.122° WNW | 2026-06-21 19:08:18.529Z | 17.08° NNE | 34.788° | 2026-06-21 19:10:18.529Z | 66.359° 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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