COSMOS 1138 (11548)

COSPAR: 1979-085A | Alt Name: Kosmos-1138
DECAYED

Image
COSMOS 1138 Satellite Image
Additional Sources
Launch Details

Launch Date

September 28, 1979

Launch Site

PLMSC

Launch Pad

LC43/3

Launch Vehicle

Soyuz-U

Orbital Elements

NORAD ID

11548

International Designator

1979-085A

Decay Date

10/12/1979

Basic Satellite Info

Name

COSMOS 1138

Alternative Name

Kosmos-1138

Type

Payload

Status

Decayed

Owner

GUKOSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
COSMOS 1138 (also known as Kosmos-1138) is an object from the Zenit-6 bus series launched by the Soviet Union on September 28, 1979, from Launch Pad LC43/3 at PLMSC using a Soyuz-U launch vehicle. The satellite has dimensions of 6 meters in length and diameter of 2.2 meters with a span of 6 meters. It weighs 2655 kilograms both at launch and dry mass. Manufactured by TSSKB, COSMOS 1138 is equipped with the Argon No. 8L payload for its mission operations. The satellite has a shape described as Sphere + DCone but other details such as purpose, power supply, and major events are not specified in the provided data.
Physical Characteristics

Length

6

Diameter

2.2

Span

6

Dry Mass

2655

Launch Mass

2655

Shape

Sphere + DCone

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Argon No. 8L

Purpose

Unknown

Mission

Unknown

Manufacturer

TSSKB

Life Expectancy

Unknown

Bus

Zenit-6

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.

X Report 28 Nov 2025

X Report 28 Nov 2025

Today marks a significant milestone as SpaceX successfully launches another batch of Starlink satellites, boosting global connectivity efforts.

Project Vanguard

Project Vanguard

How the U.S. Navy's Vanguard rocket became a Cold War icon, launched the world's oldest satellite still in orbit, and laid the groundwork for NASA's space exploration efforts.

Crew-11 Astronauts Arrive in Houston After Historic ISS Evacuation | KeepTrack X Report

Crew-11 Astronauts Arrive in Houston After Historic ISS Evacuation | KeepTrack X Report

Crew-11 astronauts arrive in Houston following first-ever ISS medical evacuation. Starlink continues robust satellite deployment schedule with ongoing constellation expansion.

X Report 27 Feb 2025

X Report 27 Feb 2025

SpaceX's Falcon 9 rockets propel space exploration and connectivity forward with a moon landing mission, Starlink deployment, and readiness for another Starship launch trial.

Space Brief 9 Jun 2025

Space Brief 9 Jun 2025

Key space events for today include potential changes in US space policy involving SpaceX, uncertainties regarding NASA's Starliner, and China's new steps in asteroid exploration.

Space Brief 18 Sep 2025

Space Brief 18 Sep 2025

Today's coverage includes China's recent satellite launch, the Space Force's challenges with current tracking capabilities, and advancements in nuclear propulsion from Ohio State.

Starlink-34343 | The Second Fragmentation Event in Three Months

Starlink-34343 | The Second Fragmentation Event in Three Months

STARLINK-34343 broke apart at 560 kilometers. SpaceX's response - launch more satellites the next morning - tells you everything about the confidence gap between fleet statistics and individual failure modes.

Space Brief 10 Nov 2025

Space Brief 10 Nov 2025

Today's brief covers China's record-breaking launch year, SpaceX's continued Starlink deployments, Blue Origin's launch challenges, and innovations in satellite maneuverability.