The Day America Gained New Eyes on Mars
Fifty-six years ago, a revolutionary spacecraft launched toward the Red Planet after being saved from disaster by two quick-thinking technicians who risked their lives to prevent a rocket collapse
COSMOS 685 (07445)
COSPAR: 1974-073A | Alt Name: Kosmos-685
DECAYED
Image
Additional Sources
Launch Details
Launch Date
September 20, 1974
Launch Site
Launch Pad
LC31
Launch Vehicle
Voskhod 11A57
Orbital Elements
NORAD ID
07445
International Designator
1974-073A
Decay Date
10/2/1974
Explore in the Catalog
Basic Satellite Info
Name
COSMOS 685
Alternative Name
Kosmos-685
Type
Payload
Status
Decayed
Owner
GUKOSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
6.5
Diameter
2.4
Span
6.5
Dry Mass
2200
Launch Mass
2200
Shape
Sphere + DCone
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Gektor No. 54L
Purpose
Unknown
Mission
Unknown
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Zenit-2M
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 25 Oct 2024
Today's highlights include Crew-8's return amid weather delays, new space tourism announcements by Deep Blue Aerospace, and Europe's efforts to combat space debris. Plus, another successful SpaceX launch and the ESA backed Zero Debris Charter gains international traction.
Space Force Eyes Space Tugs, On-Orbit Refueling by 2030 | KeepTrack Space Brief
Space Force commits to operational space tugs and on-orbit refueling by 2030. New capabilities will complicate conjunction analysis for GEO and MEO satellite tracking.
Crew-11 Returns to Earth After Historic ISS Medical Evacuation | KeepTrack X Report
SpaceX Crew-11 mission returns safely to Earth after first-ever medical evacuation from ISS. Crew Dragon splashes down in Pacific Ocean off California coast. Mission ended early due to health concern.
Starlink Constellation Size Hits 9,931, X Report 7 Mar 2026
Starlink constellation size in 2026: 9,931 satellites in orbit, 9,920 working from 11,463 launched. Starlink 17-18 adds 25 more from Vandenberg.
X Report 2 Apr 2025
SpaceX's Fram2 mission marks a historic first in polar orbit travel, while DARPA unexpectedly detects Falcon 9 reentry using atmospheric listening.
Space Brief 13 May 2025
China expands its classified satellite series, Space Force advances cloud-based ground station marketplaces, and the Pentagon grows its satellite network partner list. Highlighting new roles for sensor technology in tracking space debris.
Rocket Lab Neutron Targets Q4 2026 Debut, Space Brief 9 May 2026
Rocket Lab Neutron's first launch is targeted for Q4 2026 after a tank test failure, backed by a new 5-launch deal. Plus Globalstar's 1,410 km refresh.