SL-4 R/B (09434)

COSPAR: 1976-095B | Alt Name: Soyuz-U 26-862 Blok-I
DECAYED

Image
SL-4 R/B Satellite Image
Additional Sources
Launch Details

Launch Date

September 21, 1976

Launch Site

PLMSC

Launch Pad

LC43/3

Launch Vehicle

Soyuz-U

Orbital Elements

NORAD ID

09434

International Designator

1976-095B

Decay Date

10/2/1976

Basic Satellite Info

Name

SL-4 R/B

Alternative Name

Soyuz-U 26-862 Blok-I

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

6.7

Diameter

2.7

Span

6.7

Dry Mass

2350

Launch Mass

2350

Shape

Cyl

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

11S510

Purpose

Unknown

Mission

Unknown

Manufacturer

PROG

Life Expectancy

Unknown

Bus

Blok-I

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.

10,168 Starlink Satellites in Orbit, X Report 6 Apr 2026

10,168 Starlink Satellites in Orbit, X Report 6 Apr 2026

Current number of Starlink satellites in orbit April 2026: 10,168 working of 10,177 tracked, 11,724 launched. Fleet health tops 99.9%.

X Report 12 Apr 2025

X Report 12 Apr 2025

Key developments include the launch of Starshield satellites for the NRO and updates on Starlink launches and NASA access concerns involving Elon Musk's team.

X Report 7 May 2025

X Report 7 May 2025

SpaceX achieves significant milestones with a successful Falcon 9 launch carrying 28 Starlink satellites and receives FAA approval for increased Starship launches, amidst challenges posed by India's new satellite regulations.

Understanding Earth's Orbits and Their Applications

Understanding Earth's Orbits and Their Applications

Explore the dynamic realms of Earth's orbits, from LEO to GEO, unraveling the crucial roles they play in global communication, navigation, and surveillance.

The Day a Farm Boy Found a New World

The Day a Farm Boy Found a New World

Ninety-five years ago, a 24-year-old astronomer with no college degree made one of astronomy's most remarkable discoveries, finding a new planet that would challenge our understanding of the solar system

Space Brief 5 Oct 2025

Space Brief 5 Oct 2025

Today's brief covers significant advancements in national security space launches, ongoing rocket developments, and critical updates from the space industry.

SpaceX Hits 50 Launches, Falcon Heavy Scrub, X Report 28 Apr 2026

SpaceX Hits 50 Launches, Falcon Heavy Scrub, X Report 28 Apr 2026

SpaceX hit 50 launches in 2026 on April 26. Falcon Heavy's ViaSat-3 mission, only its 12th flight, scrubbed on weather at Kennedy; new date pending.

X Report 12 Mar 2025

X Report 12 Mar 2025

SpaceX successfully launches NASA missions, prepares for Crew-10 flight, and overcomes Falcon 9 launch anomalies.