# CHANGE E 5-T1

> 40283

**Wikidata**: [Q111471646](https://www.wikidata.org/wiki/Q111471646)  
**Source**: https://4ort.xyz/entity/change-e-5-t1

## Summary
CHANGE E 5-T1 is an entity identified by the code **40283** and is classified as an **artificial satellite**. As a human-made object placed into orbit, it belongs to a class of spacecraft designed to orbit celestial bodies for purposes such as communication, navigation, and scientific research.

## Key Facts
- **Entity ID**: 40283
- **Classification**: Instance of an **artificial satellite** (a subclass of spacecraft).
- **Wolfram Language Code**: `Entity["Satellite", "40283"]`
- **Primary Definition**: A human-made object placed into orbit around a celestial body, typically Earth.
- **Key Historical Date**: The first artificial satellite, Sputnik 1, was launched on October 4, 1957.
- **Orbital Types**: Includes Geostationary, Low Earth Orbit (LEO), and Heliocentric.
- **Variants**: Includes passive satellites, tethered satellites, and miniaturized variants (femtosatellites, picosatellites).

## FAQs

### What is the specific identity of CHANGE E 5-T1?
CHANGE E 5-T1 is mapped to the identifier **40283** and is structured as a specific instance of an artificial satellite within related data systems.

### What defines the "artificial satellite" classification associated with this entity?
An artificial satellite is defined as a human-made spacecraft engineered to orbit a celestial body. Unlike general spacecraft, which may include probes or crewed vehicles, satellites are specifically designed to maintain orbit through a balance of gravity and velocity.

### What are the primary functions of artificial satellites?
These objects serve diverse functions including enabling global communication (television, internet), navigation (GPS), scientific research (environmental monitoring), and military surveillance.

### How do satellites similar to CHANGE E 5-T1 maintain their orbit?
Satellites stay in orbit by balancing the gravitational pull of the celestial body against their own forward velocity, which generates centrifugal force.

## Why It Matters
As an entry classified as an artificial satellite, CHANGE E 5-T1 is part of a technological ecosystem that serves as the backbone of modern infrastructure. Artificial satellites are indispensable for global connectivity, enabling real-time weather monitoring, GPS navigation, and internet access. They play a critical role in national security through secure military communications (e.g., Syracuse 4, Gonets-M) and advance scientific understanding through geodetic research and environmental observation. The existence of such entities highlights the ongoing expansion of space utilization, though it also underscores challenges regarding orbital congestion and the need for sustainable space debris management.

## Notable For
- **Classification**: Belonging to the specific subclass of spacecraft known as artificial satellites.
- **Data Mapping**: Being uniquely identified by the code 40283 and the Wolfram Language entity `Entity["Satellite", "40283"]`.
- **Technological Context**: Existing within a category marked by the first human-made object in space (Sputnik 1) and the subsequent revolution in global communication.

## Body

### Identity and Classification
CHANGE E 5-T1 is an entity identified by the unique code **40283**. Structured data properties classify this entity as an **instance of an artificial satellite**. In the Wolfram Language, it is explicitly represented as `Entity["Satellite", "40283"]`. This classification places it within the broad category of human-made objects designed to operate in space, distinct from natural satellites like moons.

### Definition of Class: Artificial Satellite
As an artificial satellite, the entity belongs to a class of objects placed into orbit around celestial bodies, most commonly Earth.
- **Core Function**: To perform tasks such as communication, navigation, scientific observation, or military application.
- **Mechanism**: These objects maintain orbit by balancing gravitational pull against forward velocity.
- **Distinction**: While all artificial satellites are spacecraft, not all spacecraft are satellites; the term "spacecraft" also includes probes and crewed vehicles that may not maintain a sustained orbit.

### Types and Variants
The class of artificial satellites includes a wide range of hardware configurations:
- **Passive Satellites**: Objects like Project Echo (1960) that simply reflected signals.
- **Tethered Satellites**: Systems consisting of two parts connected by a cable.
- **Miniaturized Satellites**: Small-scale units such as femtosatellites and picosatellites (often weighing less than 1 kg).
- **Specialized variants**: Concepts include orbital power plants designed to capture and wirelessly transmit solar energy.

### Orbital Characteristics
Satellites operate in various orbital regimes depending on their mission profiles:
- **Low Earth Orbit (LEO)**: Frequently used for Earth observation and communication constellations.
- **Geostationary Orbit**: Allows a satellite to remain fixed over a specific point on the Earth's surface.
- **Heliocentric Orbit**: An orbit around the Sun, categorizing the object as an artificial satellite of the Sun.

### Historical and Operational Context
The category of artificial satellites began with the launch of **Sputnik 1** by the Soviet Union on October 4, 1957. Since then, the field has expanded to include:
- **Scientific Research**: Satellites like PAGEOS (1966) and Environmental Research Satellites (1960s) facilitated geodetic and atmospheric studies.
- **Military Applications**: Systems such as the French Syracuse 4 and Russian Gonets-M constellations provide secure communications and surveillance.
- **Space Sustainability**: Modern developments include the creation of space debris removal satellites to address the growing issue of orbital clutter and collision risks.