STARLINK-35972, 66638
Orbit data source: Space-Track
STARLINK-35972, 66638 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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66638 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-35972
1 66638U 25271X 26082.40968061 .00043279 00000-0 14641-2 0 9991
2 66638 53.1588 76.4601 0001331 104.1966 255.9182 15.30216590 19666Epoch: 2026-03-23T09:49Z
TLE epoch observation values (Epoch: 2026-03-23T09:49:56.404Z)
Latitude
-0.00009°
Longitude
108.07292°
Altitude
476.287 km
Speed
7.629 km/s
True Right ascension
05h 05m 50s
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
02:10:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.334 km
Perigee altitude
474.51 km
Semi-major axis
6,853.559 km
Eccentricity
0.00013
Inclination
53.1588°
RAAN
76.4601°
Arg. of periapsis
104.1966°
True anomaly
255.90341°
Mean anomaly
255.9182°
Eccentric anomaly
255.9108°
Mean motion
3.82533 °/min
Orbital period
94.11 mins
BSTAR
0.0014641
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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-35972 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-03-24 01:39:33.551Z | 200.52° SSW | 2026-03-24 01:42:33.551Z | 146.364° SSE | 30.183° | 2026-03-24 01:45:33.551Z | 70.442° E |
| 4 mins | 2026-03-24 03:19:33.551Z | 293.711° NW | 2026-03-24 03:20:33.551Z | 321.474° NNW | 26.113° | 2026-03-24 03:23:33.551Z | 28.537° NE |
| 5 mins | 2026-03-24 08:15:33.551Z | 335.255° NNW | 2026-03-24 08:17:33.551Z | 25.316° NE | 29.601° | 2026-03-24 08:20:33.551Z | 95.488° ESE |
| 5 mins | 2026-03-24 09:53:33.551Z | 276.943° WNW | 2026-03-24 09:55:33.551Z | 228.33° WSW | 25.763° | 2026-03-24 09:58:33.551Z | 168.957° 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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