GYEONGGISAT-1, 66771
Orbit data source: Space-Track
GYEONGGISAT-1, 66771 is a payload satellite owned by Nara Space (KR) in SSO that was launched on Fri, 28 Nov 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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66771 intel report (Beta)
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Identifier
Orbit
Country
KR / SKORRelated business
Manufacturer
Nara Space
Mission
Operational Commercial Imaging
Bus & Motor
CUBESAT 16U, Unknown motor
Mass
~25 kg wet, ~25 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.2 m
Radar Cross Section
0.240 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 GYEONGGISAT-1
1 66771U 25276DK 26192.75248858 .00003594 00000-0 16519-3 0 9992
2 66771 97.4231 266.3116 0002924 126.9635 233.1868 15.20999310 34174Epoch: 2026-07-11T18:03Z
TLE epoch observation values (Epoch: 2026-07-11T18:03:35.013Z)
Latitude
-0.00008°
Longitude
65.75453°
Altitude
507.123 km
Speed
7.61 km/s
True Right ascension
17h 45m 14s
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
19:43:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
501.801 km
Perigee altitude
497.779 km
Semi-major axis
6,877.927 km
Eccentricity
0.00029
Inclination
97.4231°
RAAN
266.3116°
Arg. of periapsis
126.9635°
True anomaly
233.15998°
Mean anomaly
233.1868°
Eccentric anomaly
233.17339°
Mean motion
3.80502 °/min
Orbital period
94.61 mins
BSTAR
0.00016519
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Other satellites on launch #276 in the year 2025 (2025-11-28 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.GYEONGGISAT-1 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 | 2026-07-12 18:18:47.279Z | 343.935° N | 2026-07-12 18:20:47.279Z | 293.669° NW | 30.273° | 2026-07-12 18:23:47.279Z | 223.655° SW |
| 6 mins | 2026-07-13 04:55:47.279Z | 162.479° S | 2026-07-13 04:58:47.279Z | 10.752° NNE | 42.679° | 2026-07-13 05:01:47.279Z | 350.514° N |
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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