SL-12 R/B(AUX MOTOR) (20270)

COSPAR: 1989-081E | Alt Name: DM2-27L SOZ-1
DECAYED

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

Launch Date

September 28, 1989

Launch Pad

LC200/40

Launch Vehicle

Proton-K/DM-2

Orbital Elements

NORAD ID

20270

International Designator

1989-081E

Decay Date

6/22/1990

Basic Satellite Info

Name

SL-12 R/B(AUX MOTOR)

Alternative Name

DM2-27L SOZ-1

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

0.1428

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 9 Mar 2025

Space Brief 9 Mar 2025

Today's highlights include delayed satellite launches, SpaceX's Florida Starship expansion, a historic mission by Europe's Ariane 6, and NASA's twin missions to explore the ends of the Earth and the universe.

Space Brief 10 Jun 2025

Space Brief 10 Jun 2025

Today's brief covers increased Space Force funding, a renewed focus on nuclear power in space, a proposed US missile defense system, new defense budget revelations, and NATO's call for increased air defenses.

SpaceX Stock Jumps 19% on Nasdaq Debut, X Report 15 Jun 2026

SpaceX Stock Jumps 19% on Nasdaq Debut, X Report 15 Jun 2026

SpaceX stock surged 19% on its Nasdaq debut as Musk targets $1 trillion revenue by 2030. Starlink 17-54 marks the 1,500th satellite launched in 2026.

Starlink Powers Air Force One; Pentagon Orders 10,000 Cruise Missiles | KeepTrack Space Brief

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.

Second Starlink Debris Anomaly in 3 Months | KeepTrack X Report

Second Starlink Debris Anomaly in 3 Months | KeepTrack X Report

A second Starlink satellite malfunction in just over three months has generated on-orbit debris, raising fresh questions about SpaceX's 10,151-strong working constellation.

Starship Florida Launch Targeting 2026 | KeepTrack X Report

Starship Florida Launch Targeting 2026 | KeepTrack X Report

SpaceX is pushing to launch Starship from Cape Canaveral before end of 2026, with contractors ramping work at LC-39A.

The Day NASA Chose Its First Space Pioneers

The Day NASA Chose Its First Space Pioneers

Sixty-four years ago, NASA made a decision that would shape the future of human spaceflight by selecting three astronauts to compete for America's first journey into space

Space Brief 19 Aug 2025

Space Brief 19 Aug 2025

Today's briefing covers Rocket Lab's strategic acquisition, Space Dynamics Lab's new collaboration with the Space Force, and shifts within the Pentagon's AI division.