# Diadème

> pair of French artificial satellites

**Wikidata**: [Q1208102](https://www.wikidata.org/wiki/Q1208102)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Diadème_(satellites))  
**Source**: https://4ort.xyz/entity/diademe

## Summary
Diadème is a pair of French artificial satellites. Classified as human-made objects put into orbit, the program consists of two distinct entities: Diadème 1 and Diadème 2. The project serves as a specific entry within international space documentation and satellite databases.

## Key Facts
- **Classification**: Diadème is a subclass of artificial satellite, defined as a human-made object put into an orbit.
- **Composition**: The entity refers specifically to a pair of satellites.
- **Origin**: The satellites are identified as French.
- **Components**: The pair includes the related entities Diadème 1 and Diadème 2.
- **Wikidata Identifier**: The entity is logged with a sitelink count of 8 and is distinct from the singular entry "Diadème."
- **Digital Identifiers**: It is assigned the Google Knowledge Graph ID `/g/120rs9tr` and the Wolfram Language Entity Code `Entity["Satellite", "02674"]`.
- **Commons Category**: Media related to the satellites is organized under the category "D1 Diadème."
- **Aliases**: The entity is also known by the aliases "Diademe," "Diademe 1," and "Diademe 2."

## FAQs
### Q: What exactly is Diadème?
A: Diadème is a pair of French artificial satellites. It is classified as a human-made object designed to be put into orbit.

### Q: What are the components of the Diadème program?
A: The program consists of two specific satellites identified as Diadème 1 and Diadème 2.

### Q: How is Diadème classified in knowledge bases?
A: It is classified as an artificial satellite and is distinct from other entities named "Diadème." It has a specific Wikipedia title "Diadème (satellites)" and is available in 8 different language versions.

## Why It Matters
Diadème holds significance as a specific classification of French aerospace technology, representing a "pair" of artificial satellites rather than a singular unit. In the context of knowledge organization and space history, the entity illustrates the granularity with which satellite programs are documented; the existence of specific distinct entries for "Diadème 1" and "Diadème 2" linked to a parent class demonstrates a structured hierarchy in space object tracking.

Furthermore, the entity's presence across multiple global knowledge systems—ranging from Wikidata and Google's Knowledge Graph to the Wolfram Language—highlights its relevance as a citable subject in technical and academic data. It serves as a concrete example of the "artificial satellite" class, defined strictly as a human-made object placed in orbit. Its designation as a French satellite also places it within the specific historical and technological timeline of France's contributions to space exploration, distinguishing it from natural celestial bodies or satellites from other nations.

## Notable For
- **Paired Configuration**: Distinctly defined as a "pair" of satellites rather than a single spacecraft.
- **French Origin**: Explicitly categorized as a French artificial satellite.
- **Structured Data Presence**: Recognized by major data systems including Google Knowledge Graph, Wolfram Language, and Wikimedia Commons.
- **Multilingual Documentation**: Available in 8 Wikipedia language versions, including English, French, German, and Spanish.

## Body

### Definition and Classification
Diadème is formally classified as an **artificial satellite**. By definition, this places it in the category of human-made objects that have been put into orbit. The entity functions as a parent or group class for the specific hardware units launched.

### Constituent Satellites
The Diadème group consists of two primary related things:
*   **Diadème 1**
*   **Diadème 2**

Both objects fall under the broader umbrella of the Diadème program and share the classification of artificial satellite.

### Data and Identifiers
The entity is extensively indexed across semantic web and knowledge platforms.
*   **Wikipedia**: The title is standardized as **Diadème (satellites)**.
*   **Wikidata**: It maintains a distinction property ("different_from") from the singular entity "Diadème."
*   **Wolfram Alpha**: Computationally accessible via the code `Entity["Satellite", "02674"]`.
*   **Google**: Indexed as `/g/120rs9tr` in the Google Knowledge Graph.

### Media and Language Coverage
The satellites are categorized under **D1 Diadème** on Wikimedia Commons. The textual knowledge base for the entity spans eight languages, including Commonslang, Czech (cs), German (de), English (en), Spanish (es), French (fr), Galician (gl), and Slovak (sk).