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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 STARLINK-35770
1 66977U 25288U 26177.54949022 .00026852 00000-0 98115-3 0 9998
2 66977 43.0015 128.8804 0001951 266.3935 93.6693 15.27600090 31933Epoch: 2026-06-26T13:11Z
TLE epoch observation values (Epoch: 2026-06-26T13:11:15.955Z)
Latitude
-0.00004°
Longitude
16.38748°
Altitude
482.85 km
Speed
7.626 km/s
True Right ascension
08h 35m 31s
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
10:40:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.273 km
Perigee altitude
483.595 km
Semi-major axis
6,863.071 km
Eccentricity
0.0002
Inclination
43.0015°
RAAN
128.8804°
Arg. of periapsis
266.3935°
True anomaly
93.69161°
Mean anomaly
93.6693°
Eccentric anomaly
93.68046°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.00098115
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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 | 2026-06-27 00:23:24.899Z | 222.348° SW | 2026-06-27 00:26:24.899Z | 141.168° SSE | 35.499° | 2026-06-27 00:29:24.899Z | 80.826° E |
| 5 mins | 2026-06-27 02:03:24.899Z | 278.826° WNW | 2026-06-27 02:05:24.899Z | 15.637° NNE | 40.43° | 2026-06-27 02:08:24.899Z | 69.968° E |
| 5 mins | 2026-06-27 03:42:24.899Z | 297.864° NW | 2026-06-27 03:44:24.899Z | 13.767° NNE | 39.797° | 2026-06-27 03:47:24.899Z | 85.22° E |
| 5 mins | 2026-06-27 05:21:24.899Z | 274.416° WNW | 2026-06-27 05:23:24.899Z | 197.868° SSW | 39.933° | 2026-06-27 05:26:24.899Z | 128.057° 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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