SL-12 R/B(AUX MOTOR) (14419)

COSPAR: 1979-062F | Alt Name: DM-21L SOZ-2
DECAYED

Image
SL-12 R/B(AUX MOTOR) Satellite Image
Additional Sources
Launch Details

Launch Date

July 5, 1979

Launch Pad

LC200/40

Launch Vehicle

Proton-K/DM

Orbital Elements

NORAD ID

14419

International Designator

1979-062F

Decay Date

3/10/1980

Basic Satellite Info

Name

SL-12 R/B(AUX MOTOR)

Alternative Name

DM-21L SOZ-2

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

1.1

Diameter

0.5

Span

1.1

Dry Mass

60

Launch Mass

120

Shape

Cyl

Radar Cross Section

0.14

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

SOZ

Purpose

Unknown

Mission

Unknown

Manufacturer

NPOE

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 29 Oct 2025

Space Brief 29 Oct 2025

Today's brief covers closer military and intelligence space integration, new satellite servicing advancements, and more insightful defense and space news.

X Report 16 Aug 2025

X Report 16 Aug 2025

SpaceX receives FAA approval for its 10th Starship test flight scheduled for August 24, while also making strides in construction at the Cape and contesting broadband funding in Virginia.

Space Brief 21 Dec 2025

Space Brief 21 Dec 2025

Today's briefing highlights the SDA's significant satellite award, Blue Origin's groundbreaking flight, and NASA's call for an Artemis review.

Space Brief 8 May 2025

Space Brief 8 May 2025

Today we cover new appointments at NASA, calls for increased Space Force funding, and a successful test of a hypersonic vehicle. Further investigations target SpaceX, and a documentary highlights space superiority.

X Report 28 Jan 2025

X Report 28 Jan 2025

SpaceX successfully launches 21 Starlink satellites, nearing milestone of 7,000 in orbit. Boeing and Airbus consider divesting from space, impacting industry dynamics.

Neil Gehrels Swift Observatory

Neil Gehrels Swift Observatory

Designed for a two-year mission to catch gamma-ray bursts in the act, Swift is now 21 years old, slowly falling out of the sky, and the subject of an unprecedented private rescue mission. Nobody planned for it to be this hard to let go.

Falcon 9 Booster Flies 35th Mission, Deploys 29 Starlinks | KeepTrack X Report

Falcon 9 Booster Flies 35th Mission, Deploys 29 Starlinks | KeepTrack X Report

SpaceX flew a Falcon 9 booster for a record 35th time on July 10, deploying 29 Starlink satellites as direct-to-cell tech expands to pet collars.

X Report 11 Dec 2025

X Report 11 Dec 2025

SpaceX has confirmed plans for an IPO and successfully launched multiple batches of Starlink satellites, advancing its mission for global internet coverage.