2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Launches
  3. 1977
  4. 1977-052
// orbital launch

Zenit-4MK

Soyuz-U launch from Baikonur (Soviet Union) on June 22, 1977, carrying 1 payload. GCAT records the launch as a success.

June 22, 1977 · 08:00 UTCLaunch 1977-052Launch no. 1,961 in the log
RocketSoyuz-U
SpaceportBaikonurpad LC31
OutcomeSuccess
Launch agencyRVSNSoviet Union

Flight

Date and time (UTC)
June 22, 1977, 08:00
Launch designation
1977-052
Mission
Zenit-4MK
Flight name
Kosmos-920
Vehicle flight ID
76042 -691

Orbit and payload

Initial apogee
342 km
Payload mass to orbit
6.0 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Kosmos-9201977-052ANORAD 10086Main Space Forces DirectorateOptical imaging2,310 kgLanded · Jul 5, 1977

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.