JERS-1

## 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 | 35o nominal
Swath width | 75 km
Resolution | 18 m (azimuth, 3 looks), 18 m (range)

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