The performance of the Envisat orbit maintenance manoeuvres was as follows: (Mid-)Time Mode Target Size Nominal Size Calibrated Size First burn 2008/11/07-01:36:05 SFCM 0.0034 m/s 0.0036 m/s 0.0034 m/s The overall calibration result has been: -3.5% The total fuel consumption has been: 0.0139 kg