Table 1. Korean satellites with high-resolution Earth observation

	KOMPSAT							CAS500
	K1	K2	K3	K3A	K5	K6	K7	C1	C2
Payload	EO	EO	EO	EO/IR	SAR	SAR	EO/IR	EO	EO
Mass	470 kg	800 kg	980 kg	1,100 kg	1,400 kg	1,750 kg	2,000 kg	500 kg	500 kg
Altitude	LEO	LEO	LEO	LEO	LEO	LEO	LEO	LEO	LEO
Resolution					(1.0 m)	(0.5 m)
PAN	6.6 m	1.0 m	0.7 m	0.55 m			0.3 m	0.5 m	0.5 m
MS		4.0 m	2.8 m	2.2 m			1.12 m	2.0 m	2.0 m

KOMPSAT, Korean Multi-purpose Satellite; CAS500, Compact Advanced Satellite 500; EO, electro-optical; IR, infra-red; SAR, synthetic aperture radar; LEO, low-earth orbit; PAN, panchromatic; MS, multi-spectral.