Find Sejong-4
NORAD ID: 66653 • Int'l Des: NNA 2025-274 • Owner: HANCOM • Country: KR • operational
LEOCIRCULARRETROGRADESSO
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About Sejong-4
Sejong-4 (NORAD 66653) is a satellite launched Nov 26, 2025 by HANCOM of KR. It operates in LEO, CIRCULAR, RETROGRADE, SSO orbit with a mass of 7.00 kg.
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Two-Line Element Set
1 66653U 25274D 26201.32260368 .00000555 00000-0 58987-4 0 9993
2 66653 97.7473 129.9044 0011048 242.2330 117.7770 14.92855275 35156
Epoch: Jul 20, 2026 •
Age: 16 hours
Current Status
Altitude 604.7 km
Apogee / Perigee N/A
Velocity 7.56 km/s
Sub-Earth Point -60.54°S,
8.46°E
Launch Date Nov 26, 2025
Age 0.6 years
Type other
Technical Details
Classification Payload
Mass 7.00 kg
Dry Mass 7.00 kg
Total Mass 7.00 kg
Length 0.30 m
Diameter 0.10 m
Span 0.80 m
Shape Box + 2 pan
Manufacturer HANCOM
Bus Type Cubesat 6U
Phase Status In Orbit
Owner/State HANCOM/KR
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