Principles of Remote Sensing - Centre for Remote Imaging, Sensing and Processing, CRISP

JERS-1 (Japanese Earth Resource Satellite), Japan

JERS-1 was launched in February 1992 by NASDA (Japanese Space Agency). This satellite carries a L-band SAR and an optical sensor for generation of global data set in order to survey resources and to establish an integrated Earth observation system.

JERS-1 Orbit

Type	Sun-Synchronous
Altitude	568 km
Inclination	97.7 deg
Period	96 min
Repeat Cycle	44 days

Sensors

SAR (Synthetic Aperture Radar)
OPS (Optical Sensor)

JERS-1 SAR Instrument Characteristics

Frequency	1.275 GHz (L band)
Polarisation	Linear HH
Bandwidth	15.55 MHz
Incidence angle	35^o nominal
Swath width	75 km
Resolution	18 m (azimuth, 3 looks), 18 m (range)

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