SL-4 R/B (28445)

COSPAR: 2004-040B | Alt Name: Soyuz-FG No. 012 Blok-I
DECAYED

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

Launch Date

October 14, 2004

Launch Pad

LC1

Launch Vehicle

Soyuz-FG

Orbital Elements

NORAD ID

28445

International Designator

2004-040B

Decay Date

10/16/2004

Basic Satellite Info

Name

SL-4 R/B

Alternative Name

Soyuz-FG No. 012 Blok-I

Type

Rocket Body

Status

Space Junk

Owner

RVSNR

Country

Russia

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

19.7

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

11S510

Purpose

Unknown

Mission

Unknown

Manufacturer

PROGT

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.

C-Band

C-Band

The workhorse frequency band that quietly powers satellite communications, weather radar, and Wi-Fi around the world

X Report 19 Apr 2025

X Report 19 Apr 2025

SpaceX faces regulatory review for Bahamian rocket landings, positions itself for a major government contract, and a new Star Wars Lego set adds to the fun!

Space Brief 26 Feb 2025

Space Brief 26 Feb 2025

Today's brief covers the crash of a SpaceX Falcon 9 rocket over Europe, the Space Force's mapping efforts with Iron Dome, and key military appointments and funding decisions.

Space Brief 25 Jan 2025

Space Brief 25 Jan 2025

Today's Space Brief covers pivotal updates in military space capabilities, defense acquisitions, the UK's nuclear enhancements, and Boeing's financial challenges.

Space Brief 31 Jan 2025

Space Brief 31 Jan 2025

Today's brief covers advancements in satellite technology initiatives by the U.S. Space Force, geopolitical implications in maritime domains, and Sweden's significant military aid package. Additionally, we spotlight a historical satellite with modern implications.

X Report 1 Aug 2025

X Report 1 Aug 2025

SpaceX successfully launched 19 Starlink satellites from California amidst a weather-related scrub of the Crew-11 mission to the ISS, showcasing the company’s focus on expanding its satellite constellation while overcoming operational challenges.

Space Brief 17 Oct 2024

Space Brief 17 Oct 2024

An exciting day in space with potential maneuver revelations from the X-37B, SpaceX's resumption of Falcon 9 launches, and significant advancements in lunar exploration tied to new U.S. spacesuits.

Space Brief 10 Nov 2024

Space Brief 10 Nov 2024

Long March 2C launches four PIESAT-2 radar satellites, Gilmour Space secures Australia's first orbital launch permit, NASA extends ISS cargo contracts through 2030, ESA and Arianespace face industry crossroads.