The performance of the Envisat orbit maintenance manoeuvre was as follows: Time Target Size Mode Nominal Size Calibrated Size 2003/09/30-01:40:00 0.0165 m/sec SFCM 0.0163 m/sec 0.0163 m/sec The overall calibration result was: -0.4 % The total fuel consumption for this burn was: 0.0806 kg