Roscosmos said the reason for the unsuccessful launch from the East
1st Deputy head of Roscosmos Alexander Ivanov called the cause of the failed launch from the Vostochny cosmodrome rocket "Soyuz" with 19 satellites.
according to his statement, the story is about "the imperfection of the software algorithms of the control system upper stage "Fregat" and incorrect azimuths start-up. This led to the fact that the orientation of the unit after separation from the launch vehicle identified correctly.
"However, the existing methods of mathematical modeling were not able to identify these errors,"