Sentinel-1, the first Earth observation satellite to be built for Europe’s Global Monitoring for Environment and Security (GMES) programme.

The satellite will carry a C-band Synthetic Aperture Radar (SAR).

Altitude: 700 km
Repeat time: 12 days (daily coverage of high priority areas)
Spatial resolution (max): 5 m X 5 m
Dual polarization: VV + VH or HH + HV
Transmitted central frequency: in 5.250 - 5.570 GHz band
Bandwidth: 100 MHz
Active antenna 12.3 m x 0.84 m with 280 elements
RF Peak Power: 4.368 kW

Launch foreseen in 2011

Prime contractor: Thales Alenia Space, SAR supplied by EADS Astrium.

Image: ESA (click to enlarge)