Space Force Awards $437M to Viasat, SES for Military Satcom | KeepTrack Space Brief
Space Force contracts Viasat and SES for $437M Protected Tactical Satcom-Global program. Four new GEO satellites replace vulnerable single-satellite systems.
SL-4 DEB (07358)
COSPAR: 1974-049E | Alt Name: Sensor cover
DECAYED
Image
Additional Sources
Launch Details
Launch Date
June 29, 1974
Launch Site
PLMSC
Launch Pad
LC43/4
Launch Vehicle
Soyuz 11A511M
Orbital Elements
NORAD ID
07358
International Designator
1974-049E
Decay Date
7/8/1974
Explore in the Catalog
Basic Satellite Info
Name
SL-4 DEB
Alternative Name
Sensor cover
Type
Debris
Status
Space Junk
Owner
TSSKB
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-4MT 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.
X Report 4 Dec 2024
SpaceX's Falcon 9 achieves a milestone with its 24th launch for Starlink, while competitive moves continue in the satellite internet market.
China's iSpace Raises Record $729M for Reusable Rockets | KeepTrack Space Brief
China's iSpace secures record $729M for reusable rocket development. SpaceX launches Crew-12 and lands booster at new LZ-40 pad. Startup bets on space-based missile defense.
Space Brief 21 Jun 2025
Today's brief highlights a Pentagon satellite network challenge, the expanding use of AI in military strategy, and advancements in commercial launch vehicle production.
X Report 8 Nov 2024
SpaceX makes strides with Starship testing while Starlink faces mounting competition as Viasat eyes Telesat's LEO capacity.
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.
The Multi-Orbit Myth? Why One Startup Thinks the Satellite Industry Got It Wrong
The satellite industry's biggest operators are betting on multi-orbit architectures that combine LEO, MEO, and GEO into unified networks. A San Francisco startup called Contrivian thinks they've overcomplicated the problem, and the physics might be on its side.
X Report 11 Mar 2025
A week of highs and lows for SpaceX, including weather-related delays and a return to Falcon launches.