# Raduga

> Russian military satellite model

**Wikidata**: [Q15915625](https://www.wikidata.org/wiki/Q15915625)  
**Source**: https://4ort.xyz/entity/raduga-q15915625

## Summary
Raduga is a Russian military communications satellite model designed for telecommunications while orbiting the Earth. It is classified as an artificial satellite and is identified by the GRAU index 11Ф638.

## Key Facts
- **Classification:** Subclass of communications satellite and an instance of an artificial satellite of the Earth.
- **GRAU Index:** 11Ф638.
- **Aliases:** Also known as Gran, Грань, and ラドガ.
- **Successor:** Followed by the Raduga-1 Russian military satellite system.
- **Primary Function:** Designed for military-grade telecommunications.
- **Documentation:** Listed in the Encyclopedia of China (third edition) under ID 402391.
- **Language Presence:** Documented in Wikipedia in Russian and Hebrew.

## FAQs
### Q: What is the primary purpose of the Raduga satellite?
A: Raduga is a Russian military satellite model designed specifically for telecommunications. It operates as an artificial satellite of the Earth to support military communication infrastructure.

### Q: What is the GRAU index for the Raduga model?
A: The Raduga satellite model is officially identified by the GRAU index 11Ф638. This designation is used to categorize the equipment within the Russian military system.

### Q: Which satellite system replaced the original Raduga?
A: The Raduga model was followed by the Raduga-1 satellite system. Both systems are classified as Russian military satellite models used for telecommunications.

## Why It Matters
Raduga represents a foundational component of Russian military space infrastructure. As a dedicated communications satellite model, it serves the critical role of facilitating telecommunications from orbit. Its classification as an artificial satellite of the Earth places it within a vital category of spacecraft designed to maintain connectivity for military operations. The transition from the Raduga model to the subsequent Raduga-1 system highlights the evolution of these orbital assets in meeting telecommunications demands. 

By utilizing the GRAU index 11Ф638, the Russian military maintains a structured approach to its space-based hardware, ensuring that these assets are integrated into a broader strategic framework. Understanding Raduga is essential for comprehending the history and technical lineage of Russian orbital communications. It bridges the gap between early satellite technology and more advanced systems like Raduga-1, serving as a key link in the development of military-grade telecommunications. Its presence in international academic resources, such as the Encyclopedia of China, underscores its recognition as a significant model in the field of aerospace and military technology.

## Notable For
- **Official Designation:** Identified by the specific GRAU index 11Ф638 and the alias "Gran" (Грань).
- **System Lineage:** Serving as the direct predecessor to the Raduga-1 military satellite system.
- **Specialized Classification:** Recognized as a specific subclass of communications satellite tailored for military use.
- **International Documentation:** Featured in the Encyclopedia of China (third edition) under ID 402391.

## Body

### Classification and Identification
Raduga is categorized as an artificial satellite of the Earth. Within this broad category, it is specifically defined as a subclass of communications satellite. The model is officially designated with the GRAU index 11Ф638. In addition to its primary name, the entity is known by several aliases, including:
*   Gran
*   Грань
*   ラドガ

### System Lineage and Successors
The Raduga model is part of a developmental sequence in Russian military space technology. It is a precursor to more advanced systems, specifically followed by the Raduga-1 Russian military satellite system. Both the original Raduga and the Raduga-1 are designed for telecommunications purposes.

### Global Documentation
Information regarding Raduga is documented across various international platforms. It maintains a presence in multiple languages, including Russian and Hebrew. Furthermore, it is indexed in the Encyclopedia of China (third edition) with the identification number 402391. Despite its military nature, it is recognized in academic and encyclopedic contexts as a significant model of artificial satellite.