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ISS orbit correction not completed as Progress spacecraft engines fail to start — source

May 16, 2015, 5:00 updated at: May 16, 2015, 5:39 UTC+3
Last maneuver on correcting the orbit was carried out on May 6 by the Progress spacecraft
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© ITAR-TASS/Vitaliy Belousov

MOSCOW, May 16. /TASS/. Progress M-26M cargo spacecraft’s engines did not start today to lift the orbit of the International Space Station (ISS), a source in the space industry told TASS on Saturday.

"Services on the ground [Mission Control Center in the Moscow Region] gave a command to perform the maneuver, but Progress spacecraft engines failed to start, according to the US. The reasons are under investigation," the source said.

TASS reported earlier today that specialists from the Mission Control Center started the operation on lifting ISS orbit.

The maneuver of lifting ISS flight orbit by Progress M-26M cargo ship was planned for today. "Progress spacecraft’s engines will be turned on at 4.14am Moscow time and will work for 901 seconds [around 15 minutes]. The station will receive an impulse of 1.64 m/s [meters per second]. As a result of the maneuver, ISS flight orbit will go up by 2.8 kilometers," the Mission Control Center said.

After correction, the ISS flight orbit will be at an altitude of 401.8 kilometers.

Last maneuver on correcting the orbit was carried out on May 6 by the Progress spacecraft. The next correction is scheduled for June 7.

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