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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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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 STARLINK-35847
1 66621U 25271E 26170.97124339 .00016050 00000-0 55266-3 0 9991
2 66621 53.1603 25.0369 0001331 90.4705 269.6448 15.30211483 33226Epoch: 2026-06-19T23:18Z
TLE epoch observation values (Epoch: 2026-06-19T23:18:35.428Z)
Latitude
-0.00007°
Longitude
127.19667°
Altitude
476.086 km
Speed
7.629 km/s
True Right ascension
01h 40m 08s
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
10:27:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.349 km
Perigee altitude
474.525 km
Semi-major axis
6,853.574 km
Eccentricity
0.00013
Inclination
53.1603°
RAAN
25.0369°
Arg. of periapsis
90.4705°
True anomaly
269.62955°
Mean anomaly
269.6448°
Eccentric anomaly
269.63717°
Mean motion
3.82532 °/min
Orbital period
94.11 mins
BSTAR
0.00055266
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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 | 2026-06-22 23:57:40.664Z | 277.725° WNW | 2026-06-22 23:59:40.664Z | 235.133° WSW | 23.601° | 2026-06-23 00:02:40.664Z | 174.029° S |
| 5 mins | 2026-06-23 15:15:40.664Z | 185.833° SSW | 2026-06-23 15:17:40.664Z | 131.542° SE | 29.377° | 2026-06-23 15:20:40.664Z | 68.762° E |
| 5 mins | 2026-06-23 16:53:40.664Z | 280.622° WNW | 2026-06-23 16:55:40.664Z | 333.882° NNW | 27.091° | 2026-06-23 16:58:40.664Z | 32.42° NE |
| 5 mins | 2026-06-23 21:50:40.664Z | 341.712° N | 2026-06-23 21:52:40.664Z | 39.834° NE | 28.592° | 2026-06-23 21:55:40.664Z | 96.965° ESE |
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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