STARLINK-11621, 63273
Orbit data source: Space-Track
STARLINK-11621, 63273 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 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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63273 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: 1 day ago
TLE from 1 day ago
0 STARLINK-11621
1 63273U 25053J 26170.42008341 .00189394 00000-0 14433-2 0 9995
2 63273 43.0000 218.6194 0000678 217.4561 142.6260 15.70886622 73677Epoch: 2026-06-19T10:04Z
TLE epoch observation values (Epoch: 2026-06-19T10:04:55.206Z)
Latitude
0.00001°
Longitude
159.74007°
Altitude
356.496 km
Speed
7.697 km/s
True Right ascension
14h 34m 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
07:13:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
358.8 km
Perigee altitude
357.887 km
Semi-major axis
6,736.48 km
Eccentricity
0.00007
Inclination
43°
RAAN
218.6194°
Arg. of periapsis
217.4561°
True anomaly
142.63072°
Mean anomaly
142.626°
Eccentric anomaly
142.62836°
Mean motion
3.92549 °/min
Orbital period
91.71 mins
BSTAR
0.0014433
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Other satellites on launch #53 in the year 2025 (2025-03-15 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-11621 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 06:33:30.783Z | 233.276° WSW | 2026-06-21 06:35:30.783Z | 189.221° SSW | 37.859° | 2026-06-21 06:38:30.783Z | 78.07° E |
| 4 mins | 2026-06-21 08:10:30.783Z | 289.43° WNW | 2026-06-21 08:11:30.783Z | 321.113° NNW | 33.882° | 2026-06-21 08:14:30.783Z | 67.719° E |
| 4 mins | 2026-06-21 09:46:30.783Z | 298.35° NW | 2026-06-21 09:48:30.783Z | 34.461° NE | 38.118° | 2026-06-21 09:50:30.783Z | 86.912° E |
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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