The performance of the Envisat orbit maintenance manoeuvre was as follows: Time Target Size Mode Nominal Size Calibrated Size 2004/09/01-23:52:00 0.0199 m/sec SFCM 0.0200 m/sec 0.0198 m/sec The overall calibration result has been: -0.8 % The total fuel consumption for this burn was: 0.0891 kg