mardi 7 août 2012

An incident occurred during the launch of Proton-M with the Briz-M and the spacecraft Express-MD2 and Telkom-3



A technical problem on the second stage (Briz-M) of the Proton-M to compromise the orbit of communications satellites of the Republic of Belarus spacecraft Express-MD2 and Telkom-3.

Briz-M Cutaway

August 7 during the breeding parent block (RB, the Briz-M spacecraft and 2) was not detected in the transfer orbit. The signal from the headunit (GB) was adopted with an emergency intermediate orbit.

According to preliminary information, the inclusion of cruise propulsion system (PS), RB, the  was the estimated time. Shutdown control occurred in 7 seconds instead of the estimated 18 minutes 5 seconds.

GB means accompanied by Air Troops and Space Defense and Space Agency. Conducted an analysis of the situation.

Original text in Russian:

Images, Text, Credits: Press Service of the Russian Space Agency (Roscosmos PAO) / Khrunichev / Translation: