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. Kosmos 634
// calibration · 1974

Kosmos 634

Soviet military satellite. Kosmos 634 was launched on March 5, 1974 aboard a Kosmos 11K63 from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Oct 9, 1974).

COSPAR 1974-012ANORAD 7211Soviet Union

Identity

Name in GCAT
Kosmos-634
Common name
Kosmos 634
Payload designation
DS-P1-Yu No. 67L
Other names
:C,:RC,11F618 No. 510-23-327:RA
International designator
1974-012A
NORAD catalog number
7211
GCAT identifier
S07211
UN registration
A/AC.105/INF.290

Mission

Mission type
Calibration
Use
Defense
Program
DS-P1-Yu A
Owner
PVO
Country
Soviet Union
Builder
Southern State Design Bureau
Platform (bus)
DS-P1

Launch

Date
March 5, 1974 · 16:04 UTC
Launch record
1974-012Success
Spaceport
Plesetsk · pad LC133/3

Orbit and fate

Orbit class (GCAT)
LLEO/I
Perigee
266 km
Apogee
465 km
Inclination
70.92°
Status
Reentered (orbital decay)
Status date
October 9, 1974
Last known active
Sep 19, 1974
End of operations
Sep 19, 1974

Size

Mass
200 kg
Dry mass
200 kg
Length
1.2 m
Diameter
1.20 m
Span
1.2 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q53610 (CC0).