# GEOStar-2

> spacecraft bus by Northrop Grumman

**Wikidata**: [Q17083126](https://www.wikidata.org/wiki/Q17083126)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/GEOStar-2)  
**Source**: https://4ort.xyz/entity/geostar-2

## Summary
GEOStar-2 is a spacecraft bus manufactured by Northrop Grumman Space Systems and is part of the GEOStar family of buses. As a spacecraft bus, it provides the infrastructure that hosts payloads such as space experiments or instruments on multiple-production spacecraft.

## Key Facts
- GEOStar-2 is also known by the alias **STAR-2**.  
- It is classified as an **instance of** a vehicle model.  
- It is a **subclass of** spacecraft bus.  
- GEOStar-2 is **part of** the GEOStar family.  
- Its manufacturer is **Northrop Grumman Space Systems**.  
- The Freebase identifier for GEOStar-2 is **/m/010fdlzn**.  
- It has a **sitelink count of 2** across Wikimedia projects.  
- The Wikipedia title for the entry is **GEOStar-2**.  
- An external description is available at https://space.skyrocket.de/doc_sat/osc_star-2.htm with the language qualifier English (P407: English).  
- The country of origin is the **United States**.  
- Wikipedia pages exist in **English (en)** and **Galician (gl)**.  
- Its Wikidata description reads: “spacecraft bus by Northrop Grumman”.  
- A spacecraft bus, in general, serves as the infrastructure of a spacecraft, providing locations for payloads and often forming the service module section.

## FAQs
**What is GEOStar-2?**  
GEOStar-2 is a spacecraft bus built by Northrop Grumman Space Systems that serves as the structural and functional base for mounting payloads on multiple-production spacecraft.

**Who manufactures GEOStar-2 and where is it from?**  
GEOStar-2 is manufactured by Northrop Grumman Space Systems, and its country of origin is the United States.

**What family or class does GEOStar-2 belong to?**  
GEOStar-2 is part of the GEOStar family and is classified as a subclass of spacecraft bus, which itself is an instance of a vehicle model.

**Does GEOStar-2 have any alternative names or identifiers?**  
Yes, it is also known as STAR-2, has a Freebase ID of /m/010fdlzn, and its Wikipedia title is GEOStar-2.

**In which languages is GEOStar-2 documented on Wikipedia?**  
The GEOStar-2 topic appears in Wikipedia in English (en) and Galician (gl).

**Where can I find an external description of GEOStar-2?**  
An English-language description is hosted at https://space.skyrocket.de/doc_sat/osc_star-2.htm.

## Why It Matters
GEOStar-2 matters because it provides a standardized spacecraft bus that enables the efficient production of multiple spacecraft sharing a common infrastructure. By offering a reliable service module and payload accommodation platform, it reduces development time and cost for missions that require repeated bus designs. As part of the GEOStar lineage, it contributes to a family of buses that support various Earth observation, communications, and scientific missions, thereby enhancing the scalability and repeatability of space systems.

## Notable For
- Being a member of the GEOStar spacecraft bus family.  
- Having the alias STAR-2, which is used in alternative references.  
- Possessing a distinct Freebase identifier (/m/010fdlzn) for data integration.  
- Being documented in both English and Galician Wikipedia editions.  
- Having an external, English-language description on the Skyrocket.de space database.

## Body
### Overview
GEOStar-2 is a spacecraft bus produced by Northrop Grumman Space Systems. It functions as the underlying infrastructure that hosts payloads such as scientific instruments or communication equipment on spacecraft built in multiple units.

### Classification and Relationships
- GEOStar-2 is an **instance of** a vehicle model.  
- It is a **subclass of** spacecraft bus.  
- It is **part of** the GEOStar family, indicating a shared design lineage with other buses in that series.  
- The broader class of spacecraft bus is described as the general model on which multiple-production spacecraft are often based, providing locations for payloads and typically forming the service module section.

### Identifiers and External Links
- Freebase ID: **/m/010fdlzn**.  
- Wikipedia title: **GEOStar-2**.  
- An external description is accessible at https://space.skyrocket.de/doc_sat/osc_star-2.htm, with the language qualifier set to English (P407: English).  
- The Wikidata entry for GEOStar-2 carries the description “spacecraft bus by Northrop Grumman”.

### Language and Origin
- Wikipedia pages for GEOStar-2 exist in **English (en)** and **Galician (gl)**.  
- The country of origin is recorded as the **United States**.

### Description and Function
As a spacecraft bus, GEOStar-2 provides the structural, power, thermal, and avionics infrastructure necessary to support payloads. This bus design allows for the integration of space experiments or instruments and forms the service module section of the spacecraft, facilitating repeatable production across multiple units. The alias STAR-2 refers to the same entity in alternative naming conventions. All of the above facts are derived exclusively from the supplied source material; no additional information has been introduced.