COSMIC, 66658
Orbit data source: Space-Track
COSMIC, 66658 is a South Korean payload satellite in SSO that was launched on Wed, 26 Nov 2025 UTC via an NURI launch vehicle from the Naro Space Center, South Korea (NSC). 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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66658 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 COSMIC
1 66658U 25274J 26152.25583264 .00003695 00000-0 34975-3 0 9996
2 66658 97.7480 81.8959 0014112 71.5842 288.6911 14.94179232 27853Epoch: 2026-06-01T06:08Z
TLE epoch observation values (Epoch: 2026-06-01T06:08:23.940Z)
Latitude
-0.00001°
Longitude
100.05038°
Altitude
584.83 km
Speed
7.57 km/s
True Right ascension
05h 27m 35s
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
03:18:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
591.759 km
Perigee altitude
572.115 km
Semi-major axis
6,960.074 km
Eccentricity
0.00141
Inclination
97.748°
RAAN
81.8959°
Arg. of periapsis
71.5842°
True anomaly
288.53783°
Mean anomaly
288.6911°
Eccentric anomaly
288.61447°
Mean motion
3.73785 °/min
Orbital period
96.31 mins
BSTAR
0.00034975
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Other satellites on launch #274 in the year 2025 (2025-11-26 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.COSMIC 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-01 19:07:17.380Z | 154.849° SSE | 2026-06-01 19:10:17.380Z | 113.734° SE | 40.235° | 2026-06-01 19:14:17.380Z | 355.33° N |
| 6 mins | 2026-06-02 08:26:17.380Z | 357.875° N | 2026-06-02 08:28:17.380Z | 299.437° NW | 41.278° | 2026-06-02 08:32:17.380Z | 205.268° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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