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 815
// optical imaging · 1976

Cosmos 815

Cosmos 815 was launched on April 28, 1976 aboard a Voskhod 11A57 from Plesetsk. Latest status in GCAT: landed (May 11, 1976).

COSPAR 1976-036ANORAD 8811Soviet Union

Identity

Name in GCAT
Kosmos-815
Common name
Cosmos 815
Payload designation
Germes No. 57L
Other names
Zenit-4MK No. 57L:P,11F692 No. 770-16-657:RA
International designator
1976-036A
NORAD catalog number
8811
GCAT identifier
S08811
UN registration
A/AC.105/INF.345

Mission

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

Launch

Date
April 28, 1976 · 09:30 UTC
Launch record
1976-036Success
Spaceport
Plesetsk · pad LC43/3

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
215 km
Apogee
230 km
Inclination
81.32°
Status
Landed
Status date
May 11, 1976
Last known active
May 11, 1976
End of operations
May 11, 1976

Size

Mass
2,310 kg
Dry mass
2,310 kg
Total mass with attached objects
6,010 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 Q12907809 (CC0).