# NEXTAR

> Japanese spacecraft bus

**Wikidata**: [Q11234905](https://www.wikidata.org/wiki/Q11234905)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NEXTAR)  
**Source**: https://4ort.xyz/entity/nextar

## Summary
NEXTAR is a Japanese spacecraft bus, which is a standardized model used as the infrastructure for building multiple-production spacecraft. It is manufactured by the Japanese company NEC and is also known by the alias "Next Generation Star." As a spacecraft bus, it provides the essential service module and structural framework for housing scientific payloads and instruments.

## Key Facts
- NEXTAR is an instance of a spacecraft model.
- It is a subclass of the spacecraft bus class, a general model used for building multiple spacecraft.
- The manufacturer of NEXTAR is NEC.
- The country of origin for NEXTAR is Japan.
- Aliases for the entity include "Next Generation Star."
- It is described by Wikidata as a "Japanese spacecraft bus."
- Wikipedia pages for NEXTAR exist in both English (en) and Japanese (ja).
- Its Google Knowledge Graph identifier is `/g/120txg5n`.
- The Wikidata entry for NEXTAR has a sitelink count of 2.

## FAQs
**What is a spacecraft bus?**
A spacecraft bus is the general infrastructure model on which multiple-production spacecraft are based, typically providing the service module section and locations for payloads like space experiments or instruments. NEXTAR is a specific model that falls under this classification.

**Who manufactures the NEXTAR spacecraft bus?**
The NEXTAR bus is manufactured by NEC, a Japanese company. This establishes the spacecraft's country of origin as Japan.

**What is the relationship between NEXTAR and the term "Next Generation Star"?**
"Next Generation Star" is an alias for the NEXTAR spacecraft bus. The terms refer to the same entity, with NEXTAR being the primary name.

## Why It Matters
NEXTAR matters as a foundational component in space technology, enabling the efficient and cost-effective construction of spacecraft. By providing a standardized, reliable bus, it allows mission planners and scientists to focus resources on the unique payloads and experiments rather than reinventing the core spacecraft infrastructure for each project. It represents a key piece of industrial capability for Japan's space sector.

## Notable For
- Being a standardized spacecraft bus model manufactured by NEC in Japan.
- Its role as a foundational infrastructure for housing scientific payloads in space.

## Body
### Classification and Type
NEXTAR is explicitly defined as an instance of a spacecraft model. This categorizes it as a specific design or series that can be replicated. More fundamentally, it is a subclass of the broader "spacecraft bus" class. This classification is significant because a spacecraft bus is the core structural and functional framework upon which multiple spacecraft are built, providing common subsystems like power, propulsion, and thermal control.

### Manufacturer and Origin
The entity responsible for manufacturing the NEXTAR spacecraft bus is NEC. This Japanese corporation's involvement directly links the bus's country of origin to Japan. This places NEXTAR within the context of Japan's aerospace industry and its capabilities for producing space-grade hardware.

### Identity and Naming
The primary identifier for this entity is NEXTAR. However, it is also known by an alias, "Next Generation Star." This alternative name suggests a branding or conceptual emphasis on modern, advanced technology within its design philosophy. The entity is accurately described as a "Japanese spacecraft bus" in its Wikidata entry.

### Knowledge Representation
The entity NEXTAR is represented in major knowledge bases. It has a presence on Wikipedia, with dedicated pages in both English and Japanese, indicating international recognition. Its Wikidata entry has a sitelink count of 2, which refers to the number of Wikipedia language versions linked to its item. The entity is also recognized by the Google Knowledge Graph with the identifier `/g/120txg5n`.