The performance of the Envisat orbit maintenance manoeuvre was as follows: Time Target Size Mode Nominal Size Calibrated Size 2003/04/04-01:40:20 0.0259 m/sec SFCM 0.0258 m/sec 0.0253 m/sec The overall calibration result was: -1.83 % The total fuel consumption for this burn was: 0.1136 kg