Space Brief 12 May 2025
Today's brief covers key industry movements in space logistics and satellite production, including Rocket Lab's new U.S. Air Force contract, Sierra Space's strides in GPS technology, and more.
SL-12 R/B(AUX MOTOR) (23209)
COSPAR: 1994-050G | Alt Name: DM2-74L SOZ-1
DECAYED
Image
Additional Sources
Launch Details
Launch Date
August 11, 1994
Launch Site
Launch Pad
LC81/23
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
23209
International Designator
1994-050G
Decay Date
7/10/2000
Basic Satellite Info
Name
SL-12 R/B(AUX MOTOR)
Alternative Name
DM2-74L SOZ-1
Type
Rocket Body
Status
Space Junk
Owner
RVSNR
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
A rocket body, also commonly referred to as an upper stage or spent rocket stage, is the structural shell left behind after a rocket has delivered its payload to orbit. These large and often heavy pieces of space hardware can remain in orbit for years, posing significant collision hazards as part of the growing space debris problem. If left uncontrolled, rocket bodies have the potential to reenter Earth's atmosphere unpredictably, which can lead to falling debris in populated areas. Additionally, they risk colliding with operational satellites or the International Space Station, creating more debris and putting human life at risk.
Physical Characteristics
Length
1.1
Diameter
0.5
Span
1.1
Dry Mass
60
Launch Mass
120
Shape
Cyl
Radar Cross Section
0.9316
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SOZ
Purpose
Unknown
Mission
Unknown
Manufacturer
RKKE
Life Expectancy
Unknown
Bus
SOZ
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 18 Dec 2025
Today's updates cover Rocket Lab's launch for the U.S. Space Force, Digantara's major funding round, and discussions on national security in space.
Who Owns the Most Satellites Orbiting Earth?
Uncover the top companies dominating the satellite industry. From SpaceX to One Web, learn who's leading in space assets. Full list inside.
Space Brief 15 Dec 2025
Today's highlights include multiple SpaceX Starlink launches, a successful Rocket Lab mission for JAXA, and a scheduled launch update from Kennedy Space Center.
Space Brief 1 Feb 2025
Today's brief covers advances in satellite docking technology, challenges faced by space companies with government navigation, and China's leap in space autonomy through AI developments.
Joe Engle and the Youngest Astronaut Wings Ever Earned
On 29 June 1965, a young Air Force test pilot rode a rocket-powered airplane to 280,600 feet above the California desert. He landed ten minutes later as the youngest person ever to earn astronaut wings.
Space Brief 12 Aug 2025
Today's brief covers a groundbreaking national security mission for ULA's Vulcan, NASA's collaboration with LeoLabs for enhanced collision avoidance, and SEOPS' new satellite tracking services, among other key developments.
Space Brief 6 Dec 2025
Discover the latest developments in hypersonic missile production, defense innovation strategies, and satellite infrastructure resilience impacting military operations.