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Kompsat 1

Also called Arirang 1


Designation 26032 / 99070A
Launch date 21 Dec 1999
Country of origin South Korea
Mission Remote sensing
Perigee/Apogee 685 km, sun-synchronous (10:50 AM crossing)
Inclination 98.3°
Period 98.4 min
Launch vehicle Taurus #4

Kompsat 1 will carry remote sensing instruments to measure ocean and land as well as upper atmospheric instruments.

End of life

Out of service 30 Dec 2007
Cause Contact lost

sat-index articles

Technical data


Prime contractor TRW with KARI
Platform STEP
Mass at launch 465 kg
Mass in orbit  
Dimension 2.6 m height x 2 m diameter
Solar array  
Stabilization 3-axis
DC power EOL: 636 W
Design lifetime over 3 years

Daewoo provided the attitude and orbit control subsystem; Halla and Hanwah, the propulsion subsystem; Hyundai, electrical power system components; Korean Air and Doowon, the structural and thermal subsystem; and Samsung, the on-board computer and satellite system test equipment.

Should have Ka-band capacity

Has 3 main experiments on board, that focus on ionospheric and magnetic fields. Also carries an electro-optical camera with 10-meter resolution built by TRW (15 km swath). The camera will provide cartography data for developing digital elevation maps of the Korean peninsula for land use and planning purposes.

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