COSMOS 857 (09439)

COSPAR: 1976-097A | Alt Name: Kosmos-857
DECAYED

Image
COSMOS 857 Satellite Image
Additional Sources
Launch Details

Launch Date

September 24, 1976

Launch Site

PLMSC

Launch Pad

LC43/3

Launch Vehicle

Soyuz-U

Orbital Elements

NORAD ID

09439

International Designator

1976-097A

Decay Date

10/7/1976

Basic Satellite Info

Name

COSMOS 857

Alternative Name

Kosmos-857

Type

Payload

Status

Decayed

Owner

GUKOSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.

Physical Characteristics

Length

6

Diameter

2.2

Span

6

Dry Mass

2310

Launch Mass

2310

Shape

Sphere + DCone

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Germes No. 69L

Purpose

Unknown

Mission

Unknown

Manufacturer

TSSKB

Life Expectancy

Unknown

Bus

Zenit-4MK

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 8 Dec 2025

Space Brief 8 Dec 2025

Today's edition covers SpaceX scrubbing and successfully launching Starlink satellites, AI innovations in spacecraft propulsion, and the impact of SPHERE's debris disk survey in discovering hidden asteroid belts.

X Report 7 Aug 2025

X Report 7 Aug 2025

SpaceX's Crew-10 astronauts are set to return to Earth, while Impulse Space takes strides in spacecraft capabilities. Additionally, SpaceX prepares to launch 24 Amazon Project Kuiper satellites.

The Day Soviet Women Reached for the Stars

The Day Soviet Women Reached for the Stars

Sixty-three years ago, the Soviet Union selected the world's first female cosmonaut training group, launching a new era in human spaceflight that would transform our understanding of gender equality in space exploration

X Report 12 Nov 2024

X Report 12 Nov 2024

SpaceX prepares for a monumental sixth Starship test flight while achieving a historic Falcon 9 booster landing. Meanwhile, a Starlink satellite lights up the night sky as it reenters Earth's atmosphere.

Falcon 9 Lofts 5-Ton Cygnus XL to ISS | KeepTrack X Report

Falcon 9 Lofts 5-Ton Cygnus XL to ISS | KeepTrack X Report

SpaceX's Falcon 9 delivered Northrop Grumman's second Cygnus XL — carrying over 5 tons of cargo — to the ISS on April 11, 2026.

Space Brief 1 Nov 2025

Space Brief 1 Nov 2025

Today's brief covers the future of military space operations, ESA's potential defense role, significant developments in satellite communications, and SpaceX's response to Artemis 3 comments.

X Report 25 Dec 2025

X Report 25 Dec 2025

Starlink reaches 9 million active users, while SpaceX prepares for upcoming missions with Flight 12 vehicles readying for 2026.

Space Brief 7 Nov 2025

Space Brief 7 Nov 2025

Today's brief highlights a landmark cooperation between NASA and China to prevent satellite collision, strategic steps in American space leadership through nuclear energy, a U.S. military missile test, and more.