STARLINK-36129, 66874
Orbit data source: Space-Track
STARLINK-36129, 66874 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 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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66874 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-36129
1 66874U 25281AC 26171.20426769 .00012839 00000-0 47503-3 0 9997
2 66874 43.0032 124.5329 0001503 272.4460 87.6220 15.27595799 31856Epoch: 2026-06-20T04:54Z
TLE epoch observation values (Epoch: 2026-06-20T04:54:08.728Z)
Latitude
0.00001°
Longitude
142.5743°
Altitude
482.735 km
Speed
7.626 km/s
True Right ascension
08h 18m 07s
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
07:13:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.978 km
Perigee altitude
483.915 km
Semi-major axis
6,863.083 km
Eccentricity
0.00015
Inclination
43.0032°
RAAN
124.5329°
Arg. of periapsis
272.446°
True anomaly
87.63921°
Mean anomaly
87.622°
Eccentric anomaly
87.6306°
Mean motion
3.81737 °/min
Orbital period
94.31 mins
BSTAR
0.00047503
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Other satellites on launch #281 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-36129 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 | 2026-06-20 23:55:31.107Z | 210.906° SW | 2026-06-20 23:58:31.107Z | 154.839° SSE | 27.248° | 2026-06-21 00:01:31.107Z | 89.562° E |
| 5 mins | 2026-06-21 01:35:31.107Z | 263.733° W | 2026-06-21 01:37:31.107Z | 353.881° N | 43.872° | 2026-06-21 01:40:31.107Z | 69.759° E |
| 5 mins | 2026-06-21 03:14:31.107Z | 294.068° NW | 2026-06-21 03:16:31.107Z | 353.614° N | 38.118° | 2026-06-21 03:19:31.107Z | 77.146° E |
| 5 mins | 2026-06-21 04:53:31.107Z | 285.321° WNW | 2026-06-21 04:55:31.107Z | 251.609° W | 43.944° | 2026-06-21 04:58:31.107Z | 114.917° 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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