Raise the trajectory of the International Space Station to 1 km

The orbit of the International Space Station (ISS) was raised 1km on May 5 to create the best conditions for the return of the crew on the Soyuz TMA-20 spacecraft, Russia's Space Control Center. said.

The two engines were turned on for 239 seconds to push the ISS to 1m. (Source: RIA Novosti ) .

The Soyuz TMA-20 spacecraft will take members of Expedition 27 expedition, including Russian astronaut Dmitry Kondratyev, astronaut of the US Aerospace Agency (Nasa) Catherine Coleman and European astronaut Paolo Nespoli returned to the ground.

The lifting of the ISS's trajectory was carried out by two main engines on the European Aviation Agency 's ATV-2 . This ship reached ISS on February 24. The motors worked for 239 seconds to propel the ISS to 0.6m / sec.

The ISS trajectory adjustment is carried out periodically before every Russian spacecraft launch and American shuttles to compensate for the earth's gravity drop and to secure spacecraft. board ISS and land on the earth exactly.