STARLINK-35997, 66843
Orbit data source: Space-Track
STARLINK-35997, 66843 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 02 Dec 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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66843 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-35997
1 66843U 25280Y 26171.14106796 .00003298 00000-0 28398-3 0 9990
2 66843 70.0012 76.0775 0002593 271.5472 88.5390 14.98343136 31423Epoch: 2026-06-20T03:23Z
TLE epoch observation values (Epoch: 2026-06-20T03:23:08.271Z)
Latitude
-0.00004°
Longitude
116.93307°
Altitude
574.394 km
Speed
7.574 km/s
True Right ascension
05h 04m 18s
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
07:15:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.765 km
Perigee altitude
568.162 km
Semi-major axis
6,948.1 km
Eccentricity
0.00026
Inclination
70.0012°
RAAN
76.0775°
Arg. of periapsis
271.5472°
True anomaly
88.5687°
Mean anomaly
88.539°
Eccentric anomaly
88.55385°
Mean motion
3.74752 °/min
Orbital period
96.06 mins
BSTAR
0.00028398
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Other satellites on launch #280 in the year 2025 (2025-12-02 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-35997 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 | 2026-06-21 03:57:19.066Z | 359.748° N | 2026-06-21 04:00:19.066Z | 50.63° ENE | 25.883° | 2026-06-21 04:03:19.066Z | 111.873° ESE |
| 4 mins | 2026-06-21 05:37:19.066Z | 283.548° WNW | 2026-06-21 05:38:19.066Z | 263.951° W | 20.766° | 2026-06-21 05:41:19.066Z | 209.617° SW |
| 4 mins | 2026-06-21 17:59:19.066Z | 132.402° SE | 2026-06-21 18:01:19.066Z | 94.502° ESE | 18.519° | 2026-06-21 18:03:19.066Z | 63.037° ENE |
| 6 mins | 2026-06-21 19:36:19.066Z | 245.583° WSW | 2026-06-21 19:39:19.066Z | 313.995° NW | 27.972° | 2026-06-21 19:42:19.066Z | 3.427° NNE |
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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