TELSTAR 402 (23249)

COSPAR: 1994-058A | Alt Name: Telstar 402
DECAYED

Image
TELSTAR 402 Satellite Image
Additional Sources
Launch Details

Launch Date

September 9, 1994

Launch Site

FRGUI

Launch Pad

ELA2

Launch Vehicle

Ariane 42L

Orbital Elements

NORAD ID

23249

International Designator

1994-058A

Decay Date

11/14/2004

Basic Satellite Info

Name

TELSTAR 402

Alternative Name

Telstar 402

Type

Payload

Status

Decayed

Owner

ATTS

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
TELSTAR 402 is a communication satellite launched on September 9, 1994, from ELA2 in French Guiana using an Ariane 42L launch vehicle. The spacecraft measures 4.1 meters in length and has a diameter of 2.2 meters with a span of 24.5 meters. It has a dry mass of 1500 kilograms and a launch mass of 3331 kilograms, equipped with 2 deployable solar arrays and batteries for power. TELSTAR 402 is configured as an AS-7000 bus manufactured by MMAS, featuring 2x Leros 1B motors and housing 24 C-band and 16 Ku-band transponders for communication purposes. The satellite is owned by ATTS and its shape can be described as a box with two panels, having a radar cross-section (RCS) of 11.4102 square meters.
Physical Characteristics

Length

4.1

Diameter

2.2

Span

24.5

Dry Mass

1500

Launch Mass

3331

Shape

Box + 2 Pan

Radar Cross Section

11.4102

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Telstar 402

Purpose

Communication

Mission

Communication

Manufacturer

MMAS

Life Expectancy

Unknown

Bus

AS7000

Configuration

AS-7000

Motor

2x Leros 1B

Equipment

24 C-band, 16 Ku-band transponders

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 4 Oct 2025

X Report 4 Oct 2025

SpaceX continues to push forward with significant milestones, including the launch of additional Starlink satellites and progress on spectrum acquisitions.

X Report 21 Jul 2025

X Report 21 Jul 2025

SpaceX successfully launched 24 Starlink satellites into polar orbit, enhancing global coverage. Meanwhile, NASA's Crew-11 is now in quarantine ahead of their upcoming ISS mission.

Space Domain Awareness (SDA)

Space Domain Awareness (SDA)

The evolution from simply tracking objects in orbit to understanding the full strategic picture of who is doing what in space, and why

Besxar Semiconductor Pods Launch on Starlink 10-50 | KeepTrack Space Brief

Besxar Semiconductor Pods Launch on Starlink 10-50 | KeepTrack Space Brief

SpaceX Falcon 9 launches Starlink 10-50 with two Besxar semiconductor manufacturing test pods. In-space fabrication experiment explores cost reduction for commercial payloads.

Space Brief 20 Sep 2025

Space Brief 20 Sep 2025

Today's highlights include SpaceX's Starlink launch, NASA's revived lunar mission, and a spotlight on space-defense activities.

Six Missions Worth Watching After Artemis II

Six Missions Worth Watching After Artemis II

Artemis II grabbed the headlines, but six other missions are quietly approaching milestones that could reshape what we know about Mercury, Mars, asteroids, exoplanets, and the Moon's south pole. Here is what is actually happening with each of them.

X Report 31 Oct 2025

X Report 31 Oct 2025

SpaceX prepares for its 100th Starlink launch while refining its lunar lander design for NASA's Artemis program amidst calls for architectural changes.

X Report 9 Dec 2024

X Report 9 Dec 2024

SpaceX's latest Starlink satellite launch boosts their constellation and Starship development progresses steadily.