Nov. 28 Soyuz failure that destroyed 19 satellites due to improper navigation software, inquiry finds

by Peter B. de Selding

PARIS — The Nov. 28 failure of a Russian Soyuz-Fregat rocket carrying 19 satellites from Russia’s new Far East Vostochy spaceport was due incorrect navigation data loaded into the Fregat upper stage, Russia’s Roscosmos space agency said Dec. 12.

The agency suggested that the programming error was in not recalibrating the Fregat for launches from the Vostochy site.

Confirming rumors that began circulating just hours after the failure, Roscosmos said a specially formed board of inquiry concluded that the three lower Soyuz stages performed as planned and . . .

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