Orbital parameters from Jonathan McDowell: https://bsky.app/profile/planet4589.bsky.social/post/3mjnzvjm7yk25

LAUNCH at about 2318 UTC Apr 16 of one or more Kosmos satellites by Soyuz-2-1b from Plesetsk to a 457 x 547 km x 98.3 deg orbit

NextSpaceflight page: https://nextspaceflight.com/launches/details/3916/