STARLINK-35770, 66977
Orbit data source: Space-Track
STARLINK-35770, 66977 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 08 Dec 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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66977 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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-35770
1 66977U 25288U 26130.01355059 .00012713 00000-0 47067-3 0 9991
2 66977 43.0014 37.3428 0003034 270.3567 89.6937 15.27579580 24665Epoch: 2026-05-10T00:19Z
TLE epoch observation values (Epoch: 2026-05-10T00:19:30.770Z)
Latitude
-0.00004°
Longitude
164.64182°
Altitude
482.815 km
Speed
7.626 km/s
True Right ascension
02h 29m 22s
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
20:35:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
487.078 km
Perigee altitude
482.913 km
Semi-major axis
6,863.132 km
Eccentricity
0.0003
Inclination
43.0014°
RAAN
37.3428°
Arg. of periapsis
270.3567°
True anomaly
89.72847°
Mean anomaly
89.6937°
Eccentric anomaly
89.71108°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00047067
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Other satellites on launch #288 in the year 2025 (2025-12-08 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-35770 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 | 2026-05-10 20:55:10.078Z | 216.496° SW | 2026-05-10 20:58:10.078Z | 165.51° S | 29.206° | 2026-05-10 21:01:10.078Z | 89.715° E |
| 5 mins | 2026-05-10 22:35:10.078Z | 266.409° W | 2026-05-10 22:37:10.078Z | 317.027° NNW | 42.594° | 2026-05-10 22:40:10.078Z | 68.51° E |
| 6 mins | 2026-05-11 00:14:10.078Z | 292.47° WNW | 2026-05-11 00:16:10.078Z | 336.405° NNW | 37.223° | 2026-05-11 00:20:10.078Z | 82.279° E |
| 6 mins | 2026-05-11 01:53:10.078Z | 283.854° WNW | 2026-05-11 01:56:10.078Z | 146.308° SSE | 41.276° | 2026-05-11 01:59:10.078Z | 117.849° SE |
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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