The performance of the Envisat orbit maintenance manoeuvre was as follows: Time Target Size Mode Nominal Size Calibrated Size 2003/08/15-02:31:00 0.0155 m/sec SFCM 0.0154 m/sec 0.0154 m/sec The overall calibration result was: -2.7 % The total fuel consumption for this burn was: 0.0750 kg