STARLINK-36154, 66939
Orbit data source: Space-Track
STARLINK-36154, 66939 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 07 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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66939 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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-36154
1 66939U 25286Q 26171.35826508 .00015978 00000-0 48292-3 0 9998
2 66939 53.1569 240.3024 0001432 113.7938 246.3215 15.34405636 31151Epoch: 2026-06-20T08:35Z
TLE epoch observation values (Epoch: 2026-06-20T08:35:54.102Z)
Latitude
-0.00003°
Longitude
-157.24708°
Altitude
463.981 km
Speed
7.635 km/s
True Right ascension
16h 01m 12s
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
07:13:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.924 km
Perigee altitude
461.964 km
Semi-major axis
6,841.081 km
Eccentricity
0.00014
Inclination
53.1569°
RAAN
240.3024°
Arg. of periapsis
113.7938°
True anomaly
246.30647°
Mean anomaly
246.3215°
Eccentric anomaly
246.31399°
Mean motion
3.8358 °/min
Orbital period
93.85 mins
BSTAR
0.00048292
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Other satellites on launch #286 in the year 2025 (2025-12-07 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-36154 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-21 06:38:52.910Z | 194.454° SSW | 2026-06-21 06:41:52.910Z | 114.538° SE | 29.146° | 2026-06-21 06:43:52.910Z | 72.448° E |
| 4 mins | 2026-06-21 08:17:52.910Z | 294.852° NW | 2026-06-21 08:18:52.910Z | 323.518° NNW | 25.897° | 2026-06-21 08:21:52.910Z | 29.354° NE |
| 5 mins | 2026-06-21 13:12:52.910Z | 334.399° NNW | 2026-06-21 13:14:52.910Z | 21.65° NNE | 28.545° | 2026-06-21 13:17:52.910Z | 93.942° ESE |
| 4 mins | 2026-06-21 14:50:52.910Z | 275.246° WNW | 2026-06-21 14:52:52.910Z | 222.498° SW | 25.881° | 2026-06-21 14:54:52.910Z | 176.386° 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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