ATV Johannes Kepler‘s next reboost for the ISS is set for Thursday, 5 May. The single burn using the vessel’s Orbit Correction System (OCS – a set of thrusters) is planned for 13:20 CEST and should run 243 seconds. The boost should provide an increase in speed for the Station of around 0.6 m/second and increase its height by 1.04 km.

Progress 42 approaching ISS 29 April 2011

An unpiloted ISS Progress resupply vehicle approaches the International Space Station, carrying 1,940 pounds of propellant, 110 pounds of oxygen and air, 926 pounds of water and 2,976 pounds of maintenance hardware, experiment equipment and resupply items for the Expedition 27/28 crew. Progress 42 docked to the station's Pirs docking compartment at 10:28 a.m. (EDT) on April 29, 2011. Credit: NASA