# Spacebus-3000B2

> model of spacecraft bus manufactured by Aerospatiale and its successors

**Wikidata**: [Q125680107](https://www.wikidata.org/wiki/Q125680107)  
**Source**: https://4ort.xyz/entity/spacebus-3000b2

## Summary
The Spacebus-3000B2 is a spacecraft bus model designed and manufactured by Aérospatiale and its successor companies, serving as a foundational platform for satellite missions. It belongs to the broader Spacebus family, providing critical infrastructure for payloads and instruments in space. Developed from the 1990s onward, it evolved under multiple manufacturers, ensuring continuity in satellite technology.

## Key Facts
- **Manufacturers**: Aérospatiale (1990–1998), Alcatel Space (1998–2005), Alcatel Alenia Space (2005–2007).
- **Classification**: Instance of "spacecraft model" and subclass of "spacecraft bus".
- **Parent Class**: Part of the Spacebus series, which provides structural and service modules for spacecraft.
- **Timeline**: Production spanned at least 17 years, with transitions between manufacturers in 1998 and 2005.
- **Function**: Serves as the infrastructure for spacecraft, housing payloads such as experiments or instruments.

## FAQs
- **Who manufactured the Spacebus-3000B2?**  
  The model was produced by Aérospatiale from 1990 to 1998, followed by Alcatel Space until 2005, and later by Alcatel Alenia Space until 2007.  

- **What role does a spacecraft bus play?**  
  A spacecraft bus provides the structural and functional foundation for a satellite, including power, communication, and payload support systems.  

- **How does the Spacebus-3000B2 relate to other Spacebus models?**  
  It is a specific variant within the broader Spacebus family, tailored for particular mission requirements while maintaining core bus functionalities.  

- **Why did manufacturing responsibilities change?**  
  The transitions reflect corporate mergers and reorganizations, notably the evolution from Aérospatiale to Alcatel Alenia Space, ensuring continued production and innovation.  

## Why It Matters
The Spacebus-3000B2 is significant for its role in enabling satellite missions through a modular, adaptable platform. By standardizing the spacecraft infrastructure, it reduced development costs and risks, allowing focus on specialized payloads. Its longevity across multiple manufacturers underscores its reliability and the strategic importance of maintaining space technology continuity. This model supported advancements in telecommunications, Earth observation, and scientific research, directly contributing to global connectivity and environmental monitoring.

## Notable For
- **Multi-Generation Manufacturing**: Spanned three corporate entities, demonstrating adaptability to industrial changes.  
- **Long Production Run**: Supported satellite launches over nearly two decades, ensuring consistent access to space.  
- **Modular Design**: Enabled customization for diverse payloads while retaining core bus functionality.  
- **Legacy in Space Infrastructure**: Played a key role in establishing the Spacebus family as a trusted platform for commercial and scientific missions.  

## Body

### History and Development
The Spacebus-3000B2 emerged in the 1990s as part of Aérospatiale’s efforts to create a versatile spacecraft bus. This model built on the success of earlier Spacebus designs, emphasizing modularity and reliability. Manufacturing responsibilities shifted in 1998 to Alcatel Space, formed through corporate restructuring, and again in 2005 to Alcatel Alenia Space, a joint venture reflecting the consolidation of European space industries. This continuity ensured the model remained a staple of satellite production through 2007.

### Design and Function
As a spacecraft bus, the Spacebus-3000B2 provided the structural, power, and communication systems necessary to support payloads. Its design allowed for the integration of specialized instruments or experiments, making it suitable for a wide range of missions. The distinction between the bus and payload modules enabled cost-effective customization, as the core infrastructure could be reused across different satellites.

### Manufacturers and Legacy
- **Aérospatiale (1990–1998)**: Laid the groundwork for the model, leveraging expertise in aerospace engineering.  
- **Alcatel Space (1998–2005)**: Continued production while integrating advancements in satellite technology.  
- **Alcatel Alenia Space (2005–2007)**: Oversaw later stages of the model’s lifecycle, bridging to newer platforms like the Spacebus-4000 series.  

The Spacebus-3000B2’s adaptability across manufacturers solidified its reputation as a dependable platform, influencing subsequent designs and maintaining European competitiveness in the global space sector.

### Related Entities
- **Spacebus**: The overarching family of spacecraft buses, including variants like the 3000B2 and later models.  
- **Aérospatiale**: A pioneering aerospace company that initiated the Spacebus-3000B2 program.  
- **Alcatel Alenia Space**: A successor entity that continued the model’s production and contributed to its legacy.  

### Technical Context
While specific performance metrics are not detailed in the source material, the model’s classification as a spacecraft bus highlights its role in providing essential services such as propulsion, thermal control, and data handling. Its subclass relationship to "spacecraft bus" underscores its adherence to industry standards for modular satellite design.