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
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 STARLINK-35847
1 66621U 25271E 26082.40441925 .00025186 00000-0 85963-3 0 9991
2 66621 53.1581 76.4213 0001086 91.6429 268.4696 15.30198702 19664Epoch: 2026-03-23T09:42Z
TLE epoch observation values (Epoch: 2026-03-23T09:42:21.823Z)
Latitude
-0.00002°
Longitude
109.93345°
Altitude
476.138 km
Speed
7.629 km/s
True Right ascension
05h 05m 41s
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
00:23:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.22 km
Perigee altitude
474.731 km
Semi-major axis
6,853.613 km
Eccentricity
0.00011
Inclination
53.1581°
RAAN
76.4213°
Arg. of periapsis
91.6429°
True anomaly
268.45716°
Mean anomaly
268.4696°
Eccentric anomaly
268.46338°
Mean motion
3.82529 °/min
Orbital period
94.11 mins
BSTAR
0.00085963
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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 | 2026-03-24 01:32:34.057Z | 188.288° SSW | 2026-03-24 01:34:34.057Z | 148.592° SSE | 26.188° | 2026-03-24 01:37:34.057Z | 75.54° E |
| 4 mins | 2026-03-24 03:11:34.057Z | 286.744° WNW | 2026-03-24 03:12:34.057Z | 315.409° NNW | 28.258° | 2026-03-24 03:15:34.057Z | 29.213° NE |
| 5 mins | 2026-03-24 08:07:34.057Z | 335.924° NNW | 2026-03-24 08:09:34.057Z | 20.909° NNE | 26.943° | 2026-03-24 08:12:34.057Z | 89.914° E |
| 5 mins | 2026-03-24 09:45:34.057Z | 283.128° WNW | 2026-03-24 09:47:34.057Z | 234.492° WSW | 29.143° | 2026-03-24 09:50:34.057Z | 165.177° S |
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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