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. Spacecraft
  3. Cosmos 964
// optical imaging · 1977

Cosmos 964

Cosmos 964 was launched on December 4, 1977 aboard a Soyuz-U from Plesetsk. Latest status in GCAT: landed (Dec 17, 1977).

COSPAR 1977-110ANORAD 10498Soviet Union

Identity

Name in GCAT
Kosmos-964
Common name
Cosmos 964
Payload designation
Gerakl' No. 88L
Other names
Zenit-4MKM No. 88L:P,11F692M No. 770-52-698:RA
International designator
1977-110A
NORAD catalog number
10498
GCAT identifier
S10498
UN registration
A/AC.105/INF.370

Mission

Mission type
Optical imaging
Use
Defense
Program
Zenit-4MKM
Country
Soviet Union
Builder
Central Specialized Design Bureau
Platform (bus)
Zenit-4MK

Launch

Date
December 4, 1977 · 12:00 UTC
Launch record
1977-110Success
Rocket
Soyuz-U
Spaceport
Plesetsk · pad LC43/4

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
169 km
Apogee
357 km
Inclination
72.88°
Status
Landed
Status date
December 17, 1977
Last known active
Dec 17, 1977
End of operations
Dec 17, 1977

Size

Mass
2,400 kg
Dry mass
2,400 kg
Total mass with attached objects
6,100 kg
Length
6.0 m
Diameter
2.20 m
Span
6.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12754084 (CC0).