X Report 14 Dec 2025
On December 14, 2025, SpaceX achieved a significant milestone with its 550th booster landing following the launch of 27 new Starlink satellites, while exploring potential IPO strategies to fund future projects.
SL-12 PLAT (05494)
COSPAR: 1971-082D | Alt Name: D-400L SOZ-2
DECAYED
Image
Additional Sources
Launch Details
Launch Date
September 28, 1971
Launch Site
Launch Pad
LC81/24
Launch Vehicle
Proton-K/D
Orbital Elements
NORAD ID
05494
International Designator
1971-082D
Decay Date
10/1/1971
Basic Satellite Info
Name
SL-12 PLAT
Alternative Name
D-400L SOZ-2
Type
Debris
Status
Space Junk
Owner
RVSN
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
1.1
Diameter
0.5
Span
1.1
Dry Mass
60
Launch Mass
120
Shape
Cyl
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SOZ
Purpose
Unknown
Mission
Unknown
Manufacturer
TSKBEM
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.
X Report 20 Feb 2025
SpaceX and Rocket Lab make headlines with simultaneous launches, while Musk's Starliner comments stir controversy.
First Nuclear-Powered Commercial Satellite Flies on Transporter-17 | KeepTrack X Report
SpaceX's Transporter-17 rideshare carried 81 payloads including history's first nuclear-powered commercial satellite on July 7.
SpaceX Wins $2.29B Space Force LEO Comms Contract | KeepTrack Space Brief
SpaceX awarded $2.29 billion to build Space Force's LEO communications backbone, integrating with SDA Transport layer satellites for military tactical data relay through space.
Starship V3 Flight 12 Four Weeks Out, X Report 11 Mar 2026
Starship V3 timeline: Musk puts Flight 12 about 4 weeks out, early to mid April 2026. SpaceX also hit 30 missions of 2026 with the 15,000-lb EchoStar 25.
Apogee and Perigee
Understanding the high and low points of every orbit - from the International Space Station's careful dance with Earth's atmosphere to the extreme ellipses that take satellites to the edge of space and back.
X Report 13 Dec 2024
SpaceX ramps up Starship preparations in Florida while California prepares for another Starlink launch.
The Day a Rocket Changed Space Policy Forever
Thirty years ago, a Chinese rocket veered off course two seconds after liftoff, destroyed a village, and triggered a political scandal that reshaped how the United States controls space technology to this day