Space Brief 17 Nov 2025
Today's highlights include key advancements for the Dream Chaser, SpaceX's record launches, Moon mission crowding concerns, and updates in European space policy.
COSMOS 721 DEB (07720)
COSPAR: 1975-020E | Alt Name: Nauka part
DECAYED
Image
Additional Sources
Launch Details
Launch Date
March 26, 1975
Launch Site
PLMSC
Launch Pad
LC41/1
Launch Vehicle
Voskhod 11A57
Orbital Elements
NORAD ID
07720
International Designator
1975-020E
Decay Date
4/7/1975
Explore in the Catalog
Basic Satellite Info
Name
COSMOS 721 DEB
Alternative Name
Nauka part
Type
Debris
Status
Space Junk
Owner
GUKOSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
Space debris, also known as space junk, encompasses all non-functional objects orbiting Earth such as defunct satellites, spent rocket stages, and fragments from collisions or disintegrations. Over time, this debris can accumulate and create an increasingly hazardous environment in orbit. Even tiny fragments, traveling at extremely high velocities, can inflict significant damage on operational satellites and spacecraft. If left unmanaged, the density of debris raises the risk of catastrophic collisions and further fragmentation, compounding the problem and threatening the safety and sustainability of space activities.
Physical Characteristics
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Nauka part
Purpose
Unknown
Mission
Unknown
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Zenit deb
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 12 Jan 2025
Today's briefing covers significant events including launch delays for SpaceX's Starship and Blue Origin's New Glenn, BepiColombo's landmark Mercury flyby, and the impact of Los Angeles fires on the space community.
Space Domain Awareness (SDA)
The evolution from simply tracking objects in orbit to understanding the full strategic picture of who is doing what in space, and why
Vulcan Set to Open 2026 With USSF-87 National Security Launch | KeepTrack Space Brief
ULA's Vulcan rocket preps for USSF-87 national security launch to open 2026. Sierra Space delivers SDA Tranche 2 satellites three months early. NASA delays spacewalk for Crew-11 medical issue.
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.
SpaceX Starfall Reentry Vehicle Plans Revealed by FAA | KeepTrack X Report
FAA documents expose SpaceX's Starfall reentry vehicle program, targeting in-space manufacturing support as the Starlink constellation holds 10,397 working satellites.
X Report 1 Oct 2025
SpaceX gears up for significant upcoming launches while Starlink makes an impactful difference in disaster recovery efforts. Meanwhile, ESA and Avio reveal plans for competitive advancements in reusable rocket technology.
Space Brief 13 Jul 2025
Today's Space Brief covers key topics including new defense mandates for space, Firefly Aerospace's public filing, major funding for Varda Space Industries, and updates on SpaceX's Crew-11 mission and a mystery satellite launch.