STARLINK-11721, 64127
Orbit data source: Space-Track
STARLINK-11721, 64127 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 24 May 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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64127 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-11721
1 64127U 25111E 26171.44395477 .00175915 00000-0 13407-2 0 9995
2 64127 43.0000 74.1280 0002031 276.7270 83.3366 15.70926557 62800Epoch: 2026-06-20T10:39Z
TLE epoch observation values (Epoch: 2026-06-20T10:39:17.692Z)
Latitude
-0.00004°
Longitude
5.64575°
Altitude
355.86 km
Speed
7.698 km/s
True Right ascension
04h 56m 30s
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
07:15:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
359.597 km
Perigee altitude
356.861 km
Semi-major axis
6,736.366 km
Eccentricity
0.0002
Inclination
43°
RAAN
74.128°
Arg. of periapsis
276.727°
True anomaly
83.35972°
Mean anomaly
83.3366°
Eccentric anomaly
83.34816°
Mean motion
3.92559 °/min
Orbital period
91.71 mins
BSTAR
0.0013407
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Other satellites on launch #111 in the year 2025 (2025-05-24 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-11721 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 21:34:42.251Z | 233.559° WSW | 2026-06-20 21:36:42.251Z | 156.06° SSE | 40.813° | 2026-06-20 21:38:42.251Z | 80.261° E |
| 4 mins | 2026-06-20 23:11:42.251Z | 296.637° NW | 2026-06-20 23:12:42.251Z | 342.47° N | 35.685° | 2026-06-20 23:15:42.251Z | 69.687° E |
| 4 mins | 2026-06-21 00:47:42.251Z | 300.985° NW | 2026-06-21 00:48:42.251Z | 329.685° NNW | 36.532° | 2026-06-21 00:51:42.251Z | 89.818° E |
| 4 mins | 2026-06-21 02:23:42.251Z | 262.268° W | 2026-06-21 02:25:42.251Z | 182.393° SSW | 28.561° | 2026-06-21 02:27:42.251Z | 140.691° SSE |
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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