The performance of the Envisat orbit maintenance manoeuvre was as follows: (Mid-)Time Target Size Mode Nominal Size Calibrated Size 2007/07/18-03:07:26 0.0065 m/sec SFCM 0.0065 m/sec 0.0061 m/sec The overall calibration result has been: -6.1% The total fuel consumption for this burn was: 0.0370 kg