Space Brief 9 Jul 2025
Today's brief covers the U.S. Space Force's new international strategy, Northrop Grumman's Golden Dome project, and ULA's Vulcan launches, alongside military budget priorities.
SL-12 R/B(1) (20954)
COSPAR: 1990-102B | Alt Name: Proton-K 348-02 Stage 3
DECAYED
Image
Additional Sources
Launch Details
Launch Date
November 23, 1990
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
20954
International Designator
1990-102B
Decay Date
11/25/1990
Basic Satellite Info
Name
SL-12 R/B(1)
Alternative Name
Proton-K 348-02 Stage 3
Type
Rocket Body
Status
Space Junk
Owner
RVSN
Country
USSR
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
6.5
Diameter
4.2
Span
6.5
Dry Mass
4185
Launch Mass
4185
Shape
Cyl
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
8S812
Purpose
Unknown
Mission
Unknown
Manufacturer
ZIKH
Life Expectancy
Unknown
Bus
8S812
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 29 Oct 2025
SpaceX embraces community support during Hurricane Melissa while advancing its Starbase infrastructure and launching more Starlink satellites.
X Report 20 Feb 2025
SpaceX and Rocket Lab make headlines with simultaneous launches, while Musk's Starliner comments stir controversy.
Starlink Powers Air Force One; Pentagon Orders 10,000 Cruise Missiles | KeepTrack Space Brief
Starlink confirmed operational aboard Air Force One over Pacific. Pentagon awards 10,000 low-cost cruise missiles to 4 contractors under new LCCMP program.
Space Brief 27 Aug 2024
Today's highlights include the destruction of ABL Space Systems' rocket due to engine leaks, Firefly Aerospace's lunar lander pre-launch tests, and insights on U.S. military's space domain awareness enhancements.
X Report 27 Mar 2025
SpaceX successfully launches 27 Starlink satellites and gains approval for internet services in Vietnam.
X Report 7 Oct 2025
SpaceX successfully launched 28 Starlink satellites on October 7, further expanding its broadband constellation while hosting an active launch schedule this week.
Starlink Satellite Count Hits 10,087, X Report 22 Mar 2026
How many Starlink satellites are in orbit in 2026? 10,087 working of 10,097 on orbit, 11,612 launched to date, per KeepTrack data.