Space Brief 5 Oct 2025
Today's brief covers significant advancements in national security space launches, ongoing rocket developments, and critical updates from the space industry.
SL-4 DEB (07712)
COSPAR: 1975-021C | Alt Name: Sensor cover
DECAYED
Image
Additional Sources
Launch Details
Launch Date
March 27, 1975
Launch Site
Launch Pad
LC31
Launch Vehicle
Voskhod 11A57
Orbital Elements
NORAD ID
07712
International Designator
1975-021C
Decay Date
3/29/1975
Explore in the Catalog
Basic Satellite Info
Name
SL-4 DEB
Alternative Name
Sensor cover
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
Zenit-4MK sensor cover
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 22 Feb 2025
Today's brief covers a reveal from the US Space Force of the X-37B space plane in orbit, a developing defense shakeup involving key military leaders, confirmation of advanced federated ICAM connections by the DoD, and SAAB's plan for a Euro defense coalition. Plus, we spotlight the BDSAT-2 CubeSat.
X Report 18 Nov 2025
SpaceX successfully launched the Sentinel-6B satellite to monitor global sea levels while resuming daytime rocket launches. Furthermore, delays in the Starship timeline impact NASA's Artemis 3 mission schedule.
600th Falcon 9 Milestone Reached, Predawn President's Day Launch | KeepTrack X Report
SpaceX celebrates 600th Falcon 9 launch from Vandenberg. Predawn President's Day Starlink mission marks 10th Cape Canaveral launch of 2026. ISS crew boosted back to seven.
X Report 30 Mar 2025
SpaceX gears up for major Starlink launch, while Starship developments continue to shape commercial spacefrontiers.
The Day Humanity's First Modular Space Station Reached Orbit
Thirty-nine years ago, a Proton rocket carried the core of the Mir space station into orbit, launching an unprecedented era of continuous human presence in space and international cooperation
New Glenn Static Fire Anomaly Grounds Amazon Launch | KeepTrack Space Brief
Blue Origin's New Glenn suffered catastrophic anomaly during static fire test at LC-36. Amazon LEO satellites pulled; NASA lunar missions now in question.
Space Brief 23 Jan 2025
Today's briefing covers the U.S. Space Force's substantial investments in commercial satellite services, a strategic military shift, Chinese space station upgrades, and NASA's policy changes.