COSMOS 730 DEB (07785)

COSPAR: 1975-035E | Alt Name: KDU
DECAYED

Image
COSMOS 730 DEB Satellite Image
Additional Sources
Launch Details

Launch Date

April 24, 1975

Launch Site

PLMSC

Launch Pad

LC43/3

Launch Vehicle

Voskhod 11A57

Orbital Elements

NORAD ID

07785

International Designator

1975-035E

Decay Date

5/7/1975

Basic Satellite Info

Name

COSMOS 730 DEB

Alternative Name

KDU

Type

Debris

Status

Space Junk

Owner

GUKOSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
Space debris, also known as space junk, encompasses all non-functional objects orbiting Earth such as defunct satellites, spent rocket stages, and fragments from collisions or disintegrations. Over time, this debris can accumulate and create an increasingly hazardous environment in orbit. Even tiny fragments, traveling at extremely high velocities, can inflict significant damage on operational satellites and spacecraft. If left unmanaged, the density of debris raises the risk of catastrophic collisions and further fragmentation, compounding the problem and threatening the safety and sustainability of space activities.
Physical Characteristics

Length

1

Diameter

0.4

Span

1

Dry Mass

140

Launch Mass

425

Shape

Frust

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

KDU

Purpose

Unknown

Mission

Unknown

Manufacturer

TSSKB

Life Expectancy

Unknown

Bus

Zenit KDU

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.

Starship V3 Static Fire Sets Up Flight 12, X Report 16 Apr 2026

Starship V3 Static Fire Sets Up Flight 12, X Report 16 Apr 2026

Starship V3 completes its first full-duration static fire in April 2026, with Flight 12 targeting May. Dual Falcon 9s push Starlink to 10,242 working.

X Report 18 Mar 2025

X Report 18 Mar 2025

Major breakthroughs as SpaceX prepares to bring astronauts home and multiple launches unfold this week.

Space Brief 25 Sep 2025

Space Brief 25 Sep 2025

Discover the latest developments in space defense, innovative satellite technologies, nuclear advancements in space travel, and strategic military updates.

Space Brief 7 Apr 2025

Space Brief 7 Apr 2025

Today's highlights include new ESA Euclid data, upcoming Blue Origin flight, and multiple Starlink launches, delivering fresh satellite tracking opportunities.

The Day America Pioneered Polar Orbits

The Day America Pioneered Polar Orbits

Sixty-six years ago, a Thor-Agena rocket thundered into the California sky carrying Discoverer 1, the first satellite attempt at polar orbit and the secret vanguard of Americas space reconnaissance program

Trump Asks Musk About Starlink for Iran Internet Blackout | KeepTrack X Report

Trump Asks Musk About Starlink for Iran Internet Blackout | KeepTrack X Report

Trump approaches Elon Musk about restoring Iran internet via Starlink during government blackout. SpaceX completes fifth launch of 2026 with 29 Starlink satellites from Cape Canaveral.

X Report 14 Nov 2025

X Report 14 Nov 2025

SpaceX progresses on Starship testing while Rocket Lab delays its Neutron rocket debut, potentially impacting the competitive landscape in space launches.

X Report 11 Nov 2024

X Report 11 Nov 2024

SpaceX to launch Koreasat-6A on a record-tying Falcon 9 flight, and 24 Starlink satellites later today.