표 1. | Table 1. 국가별 저궤도 위성 정보 | Information of low-earth orbit (LEO) satellites by countries.

  Korea China Japan Republic of South Africa USA
Name KOMPSAT-5 Gaofen-3 IGS Radar 5 Kondor-E Capella X-SAR
Altitude (km) 550 758 490 500 485∼525
Inclination angle (°) 97.6 98.41 97.23 74.75 90
Data rate (Mbps) 310 1,280 - 960 1,200
Life time (years) 7 8 5 7 3
Weight (kg) 1,400 2,950 - 1,150 140
SAR (GHz) 9.66 5.4 - 3.13 9.4∼9.9
Polarization Quad Quad - Dual Single
SAR resolution (m) 1 1 0.5 1 0.3