STARLINK-35847, 66621
Orbit data source: Space-Track
STARLINK-35847, 66621 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 23 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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66621 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m²
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-35847
1 66621U 25271E 25353.93936154 -.00261578 00000-0 -53109-2 0 9997
2 66621 53.1594 152.6978 0000574 182.8412 177.2593 15.46739890 5326Epoch: 2025-12-19T22:32Z
TLE epoch observation values (Epoch: 2025-12-19T22:32:40.837Z)
Latitude
0.00002°
Longitude
85.75434°
Altitude
427.567 km
Speed
7.656 km/s
True Right ascension
10h 10m 47s
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
15:47:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
426.919 km
Perigee altitude
426.138 km
Semi-major axis
6,804.666 km
Eccentricity
0.00006
Inclination
53.1594°
RAAN
152.6978°
Arg. of periapsis
182.8412°
True anomaly
177.25961°
Mean anomaly
177.2593°
Eccentric anomaly
177.25946°
Mean motion
3.86663 °/min
Orbital period
93.1 mins
BSTAR
-0.0053109
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Other satellites on launch #271 in the year 2025 (2025-11-23 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-35847 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 | 2025-12-21 20:03:09.990Z | 303.864° NW | 2025-12-21 20:05:09.990Z | 175.798° S | 43.359° | 2025-12-21 20:08:09.990Z | 136.259° SSE |
| 5 mins | 2025-12-22 12:48:09.990Z | 227.399° WSW | 2025-12-22 12:50:09.990Z | 58.572° ENE | 43.755° | 2025-12-22 12:53:09.990Z | 50.619° 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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