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: 14 hours ago
TLE from 14 hours ago
0 GYEONGGISAT-1
1 66771U 25276DK 26238.20625296 .00005091 00000-0 22998-3 0 9990
2 66771 97.4191 311.1035 0002086 47.6804 312.4609 15.21399550 41087Epoch: 2026-08-26T04:57Z
TLE epoch observation values (Epoch: 2026-08-26T04:57:00.255Z)
Latitude
0.00003°
Longitude
-97.61014°
Altitude
503.741 km
Speed
7.613 km/s
True Right ascension
20h 44m 24s
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
09:54:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
500.017 km
Perigee altitude
497.148 km
Semi-major axis
6,876.72 km
Eccentricity
0.00021
Inclination
97.4191°
RAAN
311.1035°
Arg. of periapsis
47.6804°
True anomaly
312.44326°
Mean anomaly
312.4609°
Eccentric anomaly
312.45208°
Mean motion
3.80602 °/min
Orbital period
94.59 mins
BSTAR
0.00022998
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-08-27 04:45:04.738Z | 153.537° SSE | 2026-08-27 04:48:04.738Z | 99.914° ESE | 39.432° | 2026-08-27 04:51:04.738Z | 359.621° N |
| 5 mins | 2026-08-27 17:50:04.738Z | 12.128° NNE | 2026-08-27 17:52:04.738Z | 194.967° SSW | 44.973° | 2026-08-27 17:55:04.738Z | 193.001° SSW |
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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