Space Brief 5 Apr 2025
Today's brief covers the new Space Force operations doctrine, international defense collaborations by the UAE, and satellite tracking technology innovations.
COSMOS 405 (05117)
COSPAR: 1971-028A | Alt Name: Kosmos-405
DECAYED
Image
Additional Sources
Launch Details
Launch Date
April 7, 1971
Launch Site
PLMSC
Launch Pad
LC43/4
Launch Vehicle
Vostok 8A92M
Orbital Elements
NORAD ID
05117
International Designator
1971-028A
Decay Date
11/3/2023
Explore in the Catalog
Basic Satellite Info
Name
COSMOS 405
Alternative Name
Kosmos-405
Type
Payload
Status
Decayed
Owner
TSN108
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
3.2
Diameter
1.3
Span
13.1
Dry Mass
1750
Launch Mass
1750
Shape
Cyl + Ant
Radar Cross Section
5.4715
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tselina-D (1) No. 2L
Purpose
Unknown
Mission
Unknown
Manufacturer
YUZH
Life Expectancy
Unknown
Bus
Tselina-D
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.
X Report 18 Dec 2024
SpaceX achieves significant milestones with Starship and multiple launch missions, while Starlink connectivity expands through T-Mobile's beta program.
LeoLabs and the Business of Watching Everything
A startup built on Cold War-era radar science now tracks 25,000 objects in orbit - and the Pentagon can't get enough of it. But can its radars really compete with the Space Surveillance Network?
SpaceX Opens 2026 With 29 Starlink Satellites, X Report 5 Jan 2026
SpaceX Starlink updates for 2026 open with Starlink 6-88: 29 satellites from Cape Canaveral on Jan 4, after a record 165-launch 2025.
Space Brief 18 Mar 2025
Today's Space Brief covers the reentry of Firefly's Blue Ghost moon lander, a compelling study on space debris exacerbated by climate change, and new advancements from the Vera Rubin Observatory.
Vulcan GEM 63XL Passes Static Fire; February Anomaly Still Under Investigation | KeepTrack Space Brief
Northrop Grumman's GEM 63XL solid rocket booster passed static fire testing, but ULA's investigation into a February 2026 Vulcan in-flight anomaly remains open. No RTF date set.
Space Brief 31 Oct 2025
Today we explore defense-driven shifts in satellite operations amid geopolitical tensions and innovative projects pushing the boundaries of space technology.
X Report 9 Dec 2025
SpaceX successfully launched 29 Starlink satellites on the record-breaking 32nd flight of its Falcon 9 rocket. Elon Musk discusses a potential future as a Type II civilization, emphasizing the role of AI and satellite technology.