# Irtysh

> Proposed Russian heavy-lift rocket

**Wikidata**: [Q20982814](https://www.wikidata.org/wiki/Q20982814)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Irtysh_(rocket))  
**Source**: https://4ort.xyz/entity/irtysh

## Summary
Irtysh is a proposed Russian heavy-lift launch vehicle (rocket). The design is associated with Russian manufacturers Progress State Research and Production Rocket Space Center and S.P. Korolev Rocket and Space Corporation Energia and is known by several alternative names including Soyuz-5 and Sunkar.

## Key Facts
- Irtysh is described as a proposed Russian heavy-lift rocket (launch vehicle).  
- Country of origin: Russia.  
- Common aliases: Sunkar; Союз-5; Soyuz-5; Feniks; Irtysh; Sojus 5; Irtysch; 聯盟-5號運載火箭; Сункар (ракета-носитель); Союз-5 (ракета-носитель).  
- Primary engines listed: RD-171MV and RD-120.  
- Manufacturers: Progress State Research and Production Rocket Space Center and S.P. Korolev Rocket and Space Corporation Energia.  
- Classification: subclass of "launch vehicle" (rocket used to carry payload into outer space).  
- Wikipedia title: "Irtysh (rocket)"; Commons category: "Irtysh (rocket)".  
- Appears across multiple language Wikipedias (commons, cs, en, fr, ja, ko, pl, pt, ru, uk) with a sitelink_count of 10.  
- Wikidata description: "Proposed Russian heavy-lift rocket."  
- Google Knowledge Graph ID: /g/11c54wm3vg.  
- Related item: Interhelioprobe — identified as a related Russian space probe.

## FAQs
### Q: What is Irtysh?
A: Irtysh is a proposed Russian heavy-lift launch vehicle (rocket). It is listed on Wikidata as a proposed project and is associated with Russian manufacturers Progress and Energia.

### Q: Who manufactures Irtysh?
A: The project is associated with Progress State Research and Production Rocket Space Center and S.P. Korolev Rocket and Space Corporation Energia.

### Q: What engines power the Irtysh design?
A: The Irtysh design lists the RD-171MV and the RD-120 as its powerplant engines.

### Q: Is Irtysh an operational rocket?
A: Irtysh is described as "proposed," which indicates it is a planned or conceptual launch vehicle rather than an operational rocket.

### Q: Under what other names is Irtysh known?
A: Irtysh is known by several aliases including Sunkar, Soyuz-5 (Союз-5), Feniks, Sojus 5, Irtysch, and others.

## Why It Matters
Irtysh represents a proposed addition to Russia's portfolio of launch vehicles as a heavy-lift option. Heavy-lift rockets are a distinct category of launch vehicles designed to place larger or heavier payloads into orbit, and a proposed heavy-lift design from major Russian manufacturers signals potential capability development within Russia's space sector. The project connects established Russian aerospace organizations (Progress and Energia) and references well-known rocket engines (RD-171MV, RD-120), indicating continuity with existing Russian propulsion technology. Irtysh's multiple aliases, including Soyuz-5, reflect its place within naming and development discussions in Russian space planning. Documentation across several language Wikipedias and a presence in knowledge graphs and commons categories show that the design has garnered international recognition and cataloging even while described as proposed.

## Notable For
- Being explicitly categorized as a proposed Russian heavy-lift launch vehicle.  
- Association with two established Russian manufacturers: Progress State Research and Production Rocket Space Center and S.P. Korolev Rocket and Space Corporation Energia.  
- Use of recognized Russian rocket engines: RD-171MV and RD-120.  
- Multiple widely used aliases, including Soyuz-5 and Sunkar, linking it to broader naming conventions for Russian launch vehicles.  
- Presence across multiple Wikimedia language editions and a Google Knowledge Graph identifier.

## Body
### Overview
- Irtysh is recorded as a proposed heavy-lift rocket originating from Russia.  
- It is classified under the launch vehicle class — rockets used to carry payload into outer space.

### Names and aliases
- Known aliases: Sunkar; Союз-5; Soyuz-5; Feniks; Irtysh; Sojus 5; Irtysch; 聯盟-5號運載火箭; Сункар (ракета-носитель); Союз-5 (ракета-носитель).  
- Wikipedia title for the project: "Irtysh (rocket)".  
- Commons category: "Irtysh (rocket)".

### Technical propulsion
- Listed powerplants: RD-171MV and RD-120 engines.

### Manufacturers and organizations
- Associated manufacturers:  
  - Progress State Research and Production Rocket Space Center.  
  - S.P. Korolev Rocket and Space Corporation Energia.

### Classification and provenance
- Subclass: launch vehicle (rocket used to carry payload into outer space).  
- Country of origin: Russia.  
- Wikidata description: "Proposed Russian heavy-lift rocket."  
- Google Knowledge Graph ID: /g/11c54wm3vg.

### Presence and documentation
- Sitelink_count across Wikimedia projects: 10.  
- Appears in multiple Wikipedia language editions: commons, cs, en, fr, ja, ko, pl, pt, ru, uk.  
- Related item noted: Interhelioprobe (a Russian space probe).

### Identifiers and metadata
- Wikidata description and labels identify the entry as a proposed Russian heavy-lift launcher.  
- The project is indexed in Wikimedia Commons and has a dedicated Wikipedia article title as noted above.