The performance of the Envisat orbit maintenance manoeuvre was as follows: (Mid-)Time Mode Target Size Nominal Size Calibrated Size 2009/07/21-04:41:54 OCM 0.4130 m/s 0.4130 m/s 0.4014 m/s The radial component was : -32.4 mm/s The along-track comp. was : -5.0 mm/s The overall calibration result has been: -2.5% The total fuel consumption has been: 2.093 kg