AMC-18 (29644)

COSPAR: 2006-054B | Alt Name: AMC 18

Image
AMC-18 Satellite Image
Additional Sources
Launch Details

Launch Date

December 8, 2006

Launch Site

FRGUI

Launch Pad

ELA3

Launch Vehicle

Ariane 5ECA

Orbital Elements

NORAD ID

29644

International Designator

2006-054B

Epoch

Sat, 04 Jul 2026 03:41:00 GMT

Apogee

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Perigee

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Inclination

2.66°

Right Ascension

83.82°

Eccentricity

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Argument of Perigee

114.69°

Period

1456.60 min

Mean Motion

0.99 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot
3D Visualization
Basic Satellite Info

Name

AMC-18

Alternative Name

AMC 18

Type

Payload

Status

Non-operational

Owner

SESSL/SESG

Country

United Kingdom

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 29644U 06054B   26185.15347707 -.00000104  00000-0  00000-0 0  9992
2 29644   2.6551  83.8212 0006939 114.6875 152.1265  0.98860628 71556

Source: Celestrak

Summary
AMC-18 is a communication satellite operated by SES S.A., originally named Americom 18, and was launched on December 8, 2006, from the Guiana Space Centre using an Ariane 5ECA launch vehicle. It has dimensions of 3.8 meters in length, 1.9 meters in diameter, and a span of 14.7 meters due to its solar arrays. The satellite weighs 2081 kg at launch with a dry mass of 918 kg and is equipped with 24 C-band transponders for communication services. It was manufactured by Loral Space & Communications and uses two deployable solar arrays for power generation, along with batteries as backup energy sources. The mission design life expectancy was initially set to be around 15 years, but satellite AMC-18 exceeded expectations reaching a lifespan of 22 years. The satellite is configured in the A2100A model, featuring a box shape with two panels and has an RCS value of 3.9811.
Physical Characteristics

Length

3.8

Diameter

1.9

Span

14.7

Dry Mass

918

Launch Mass

2081

Shape

Box + 2 Pan

Radar Cross Section

3.9811

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Americom 18

Purpose

Communication

Mission

Communication

Manufacturer

LMCSS

Life Expectancy

15 years (design); 22 years (#8 reached)

Bus

A2100A

Configuration

A2100A

Motor

Leros 1

Equipment

24 C-band transponders

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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