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 911
// geodesy · 1977

Cosmos 911

Cosmos 911 was launched on May 25, 1977 aboard a Kosmos 11K65M from Plesetsk. Latest status in GCAT: in orbit.

COSPAR 1977-039ANORAD 10019Soviet Union

Identity

Name in GCAT
Kosmos-911
Common name
Cosmos 911
Payload designation
Geoid
International designator
1977-039A
NORAD catalog number
10019
GCAT identifier
S10019
UN registration
A/AC.105/INF.363

Mission

Mission type
Geodesy
Use
Defense
Program
Sfera
Owner
VTS SA
Country
Soviet Union
Builder
NPO Applied Mechanics
Platform (bus)
KAUR-1 11F621

Launch

Date
May 25, 1977 · 11:00 UTC
Launch record
1977-039Success
Spaceport
Plesetsk · pad LC132/2

Orbit and fate

Orbit class (GCAT)
LEO/I
Perigee
964 km
Apogee
1,001 km
Inclination
82.95°
Status
In orbit
Last known active
1979
End of operations
1979

Size

Mass
800 kg
Dry mass
800 kg
Length
3.0 m
Diameter
2.00 m
Span
17.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q12754059 (CC0).