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 491
// optical imaging · 1972

Cosmos 491

Cosmos 491 was launched on May 25, 1972 aboard a Voskhod 11A57 from Baikonur. Latest status in GCAT: landed (Jun 8, 1972).

COSPAR 1972-038ANORAD 6035Soviet Union

Identity

Name in GCAT
Kosmos-491
Common name
Cosmos 491
Payload designation
Rotor No. 34L
Other names
Zenit-4M No. 34L:P,11F691 No. 780-14-22-244:RA
International designator
1972-038A
NORAD catalog number
6035
GCAT identifier
S06035
UN registration
A/AC.105/INF.252

Mission

Mission type
Optical imaging
Use
Defense
Program
Zenit-4M
Country
Soviet Union
Builder
TsKBEM Filial No. 3
Platform (bus)
Zenit-4M

Launch

Date
May 25, 1972 · 06:35 UTC
Launch record
1972-038Success
Spaceport
Baikonur · pad LC31

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
174 km
Apogee
319 km
Inclination
65.00°
Status
Landed
Status date
June 8, 1972
Last known active
Jun 8, 1972
End of operations
Jun 8, 1972

Size

Mass
2,200 kg
Dry mass
2,200 kg
Total mass with attached objects
6,000 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 Q12753870 (CC0).