# Amazonas

> 28393

**Wikidata**: [Q111497422](https://www.wikidata.org/wiki/Q111497422)  
**Source**: https://4ort.xyz/entity/amazonas

## Summary
Amazonas is an artificial satellite, a human-made object placed into orbit around a celestial body for various purposes including communication, navigation, scientific research, and military applications.

## Key Facts
- Instance of: artificial satellite
- Wikidata description ID: 28393
- Wolfram Language entity code: Entity["Satellite", "28393"]
- Classification: Subclass of spacecraft, specifically engineered to operate in space
- Primary function: Designed to orbit a celestial body to perform tasks like communication, navigation, or scientific observation
- Orbital types include: Geostationary, low Earth orbit (LEO), and heliocentric orbits
- Types encompass: Passive satellites, tethered satellites, and specialized satellites like orbital power plants
- Miniaturized variants include: Femtosatellites, picosatellites, and crowdfunded satellites

## FAQs
### What is Amazonas and what type of entity is it?
Amazonas is an artificial satellite, which is a human-made object placed into orbit around a celestial body. It belongs to the class of spacecraft specifically designed to operate in space and perform various functions.

### What are the main characteristics of artificial satellites like Amazonas?
Artificial satellites are designed to orbit celestial bodies and can operate in different orbital patterns including geostationary, low Earth orbit (LEO), or heliocentric orbits. They serve multiple purposes such as communication, navigation, scientific research, and military applications.

### What classification does Amazonas fall under?
Amazonas is classified as an artificial satellite, which is a subclass of spacecraft specifically engineered to operate in space and designed to orbit a celestial body.

### What are the different types of artificial satellites?
Artificial satellites include passive satellites like Project Echo, tethered satellites consisting of two parts connected by a cable, miniaturized satellites such as femtosatellites and picosatellites, and specialized satellites like orbital power plants.

## Why It Matters
Artificial satellites like Amazonas represent a fundamental component of modern space-based infrastructure that enables global communication, navigation systems, weather monitoring, and scientific research. These orbital platforms form the backbone of technologies we depend on daily, from GPS navigation to satellite television and internet connectivity. The development of artificial satellites began with Sputnik 1 in 1957, launching the space age and transforming how humanity interacts with space for practical applications. Satellites continue to advance scientific understanding of Earth's atmosphere, climate, and space while supporting critical military and civilian operations worldwide.

## Notable For
- Represents the class of human-made objects designed for orbital operations around celestial bodies
- Part of the broader spacecraft category specifically engineered for space-based operations
- Functions in various orbital configurations including geostationary, low Earth orbit, and heliocentric patterns
- Encompasses diverse types from passive communication reflectors to specialized power generation platforms
- Includes miniaturized variants enabling cost-effective space research and educational applications

## Body
### Definition and Classification
Amazonas represents an artificial satellite, which is defined as a human-made object placed into orbit around a celestial body, typically the Earth. As an instance of this class, Amazonas belongs to a subclass of spacecraft specifically engineered to operate in space. These satellites are designed to orbit celestial bodies to perform various tasks including communication, navigation, scientific observation, and military applications.

### Orbital Characteristics and Types
Artificial satellites like Amazonas can operate in various orbital configurations. These include geostationary satellites that remain fixed over a specific point on Earth, low Earth orbit (LEO) satellites used for communication and Earth observation, and heliocentric satellites that orbit the Sun. The diversity extends to different types such as passive satellites that reflect signals, tethered satellites consisting of two parts connected by a cable, and specialized satellites like orbital power plants that capture solar energy for wireless transmission.

### Technical Specifications and Variants
The artificial satellite class encompasses various miniaturized variants including femtosatellites and picosatellites, which typically weigh less than 1 kilogram. These smaller satellites enable educational and experimental purposes while reducing launch costs. The category also includes crowdfunded satellites and other specialized variants designed for specific missions and applications.

### Historical Context and Development
The artificial satellite concept began with Sputnik 1, launched by the Soviet Union on October 4, 1957, marking the beginning of the space age. Since then, satellites have evolved to serve increasingly sophisticated purposes including environmental research, geodetic measurements through satellites like PAGEOS (1966), and complex communication networks. Modern satellite constellations continue to expand global coverage while addressing challenges such as space debris and orbital congestion through innovative solutions like space debris removal satellites.