The performance of the Envisat orbit maintenance manoeuvre was as follows: Time Target Size Mode Nominal Size Calibrated Size 2003/05/14-23:39:44 0.0160 m/sec SFCM 0.0161 m/sec 0.0162 m/sec The overall calibration result was: 0.65 % The total fuel consumption for this burn was: 0.0845 kg