CAT 1 (11645)

COSPAR: 1979-104A | Alt Name: CAT 01
DECAYED

Image
CAT 1 Satellite Image
Additional Sources
Launch Details

Launch Date

December 24, 1979

Launch Site

FRGUI

Launch Pad

ELA1

Launch Vehicle

Ariane 1

Orbital Elements

NORAD ID

11645

International Designator

1979-104A

Decay Date

11/27/1989

Basic Satellite Info

Name

CAT 1

Alternative Name

CAT 01

Type

Payload

Status

Decayed

Owner

ESA

Country

European Space Agency

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
CAT 1, also known as CAT 01, is an ESA satellite with NORAD identification number 11645 and OBJECT_ID 1979-104A. Launched on December 24, 1979, from the ELA1 launch pad at FRGUI using an Ariane 1 launch vehicle, it was manufactured by AERIT/CNEST. The satellite has a cylindrical shape with dimensions of 2.5 meters in length and diameter, and a span of 2.5 meters. It weighs 1602 kg both at launch and dry mass. CAT 1's reflective surface area (RCS) is recorded as 5.09 square meters. Its primary owner and operator is ESA.
Physical Characteristics

Length

2.5

Diameter

1.1

Span

2.5

Dry Mass

1602

Launch Mass

1602

Shape

Cyl

Radar Cross Section

5.09

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

CAT 01

Purpose

Unknown

Mission

Unknown

Manufacturer

AERIT/CNEST

Life Expectancy

Unknown

Bus

CAT

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 Force Races to Rebuild Workforce After Civilian Cuts | KeepTrack Space Brief

Space Force Races to Rebuild Workforce After Civilian Cuts | KeepTrack Space Brief

Space Force urgently rebuilds contracting workforce after civilian reductions. Pentagon defense strategy shifts focus to homeland defense. Tom Ainsworth named top Air Force space acquisition officer.

X Report 1 Mar 2025

X Report 1 Mar 2025

FAA greenlights Flight 8 of SpaceX's Starship while senators examine Air Force nominee's ties to the company.

Space Brief 8 Oct 2025

Space Brief 8 Oct 2025

Today's brief covers key developments in satellite launches, missile defense strategies, advanced IoT satellite connectivity, and the projected growth of the satellite market driven by defense needs.

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.

Space Brief 28 May 2025

Space Brief 28 May 2025

Today's briefing covers SpaceX's ambitious launch and temporary setback with their Super Heavy booster, adjustments in South African telecommunications laws influenced by Starlink, and the U.S. Navy's strategic shifts amidst changes in unmanned combatant acquisitions.

X Report 25 Dec 2024

X Report 25 Dec 2024

SpaceX wraps up a record-breaking year with successful launches and advancements in Starlink mega-constellation.

Esrange Spaceport

Esrange Spaceport

Europe's bid to break free from the US launch monopoly. How Sweden's Esrange Space Center is transforming access to space, enabling orbital launches, and strengthening strategic independence for the continent.

X Report 8 Jan 2025

X Report 8 Jan 2025

SpaceX sets sights on new frontiers with the imminent Starlink launch and upcoming Blue Ghost moon lander mission.