# SmartLEO

> satellite bus manufactured by OHB

**Wikidata**: [Q125660508](https://www.wikidata.org/wiki/Q125660508)  
**Source**: https://4ort.xyz/entity/smartleo

## Summary
SmartLEO is a spacecraft bus model manufactured by the German company OHB System AG. Designed for operation in low Earth orbit, it serves as a standardized infrastructure platform capable of hosting payloads of up to 400 kilograms. It is engineered for a design life of 12 years and supports a launch mass ranging between 600 and 1,100 kilograms.

## Key Facts
*   **Manufacturer:** OHB System AG
*   **Country of Origin:** Germany
*   **Classification:** Spacecraft model; subclass of spacecraft bus
*   **Alternative Names:** Smart LEO Platform, SLEO
*   **Orbit:** Low Earth Orbit
*   **Launch Mass:** 600 kg (minimum) to 1,100 kg (maximum)
*   **Payload Capacity:** 400 kg (maximum)
*   **Design Life:** 12 years
*   **Power System:** Solar cell panels
*   **Power Specification:** 500 (unit: Watt)

## FAQs
**What is the primary function of the SmartLEO platform?**
SmartLEO functions as a spacecraft bus, providing the essential infrastructure and service module section for spacecraft. It is designed to accommodate payloads, such as space experiments or instruments, for missions located in low Earth orbit.

**What are the physical capabilities and limits of the SmartLEO bus?**
The platform supports a maximum payload mass of 400 kilograms and has a launch weight ranging between 600 and 1,100 kilograms. It is equipped with solar cell panels associated with a power capacity of 500 watts and is built to operate for a design life of 12 years.

**Who manufactures the SmartLEO satellite bus?**
The SmartLEO is manufactured by OHB System AG, a company based in Germany.

## Why It Matters
The SmartLEO platform represents a critical piece of aerospace infrastructure known as a "spacecraft bus." By providing a standardized service module, it allows for the production of multiple spacecraft based on a general model, reducing the need for custom infrastructure for every new mission. This platform enables the integration of specific payloads—such as scientific instruments or experiments—into a reliable chassis capable of sustaining operations in low Earth orbit for up to 12 years. Its specifications bridge the gap between small and medium-class satellites, offering a substantial payload capacity of 400 kg for its weight class.

## Notable For
*   **German Manufacturing:** A satellite platform produced by OHB System AG.
*   **Payload Flexibility:** Capability to host payloads up to 400 kg.
*   **Extended Operational Life:** A design life of 12 years for low Earth orbit missions.
*   **Standardized Architecture:** Serving as a foundational bus for multiple-production spacecraft.

## Body

### Definition and Classification
SmartLEO, also referred to as the **Smart LEO Platform** or **SLEO**, is a specific model of spacecraft bus. It falls under the broader class of "spacecraft bus" systems, which are defined as the general models upon which multiple-production spacecraft are based. As the service module section of a spacecraft, the SmartLEO provides the fundamental infrastructure required for space operations, offering locations and support for the mission's payload (typically space experiments or instruments). It is classified as an "instance of" a spacecraft model.

### Manufacturer and Origin
The SmartLEO platform is manufactured by **OHB System AG**. The country of origin for this technology is **Germany**. OHB System AG is responsible for the design and production of the platform, as detailed in their technical documentation on satellite platforms.

### Technical Specifications
The SmartLEO platform is characterized by a specific set of technical parameters tailored for low Earth orbit missions:

*   **Mass Profile:** The platform has a launch weight criterion ranging from a minimum of **600 kilograms** to a maximum of **1,100 kilograms**.
*   **Payload Capacity:** It is designed to carry a payload with a maximum mass of **400 kilograms**.
*   **Power Systems:** The bus is powered by **solar cell panels**. The system is associated with a power metric of **500 Watts** (unit Q25236).
*   **Mission Duration:** The platform has a design life of **12 years**.
*   **Operational Environment:** The SmartLEO is specifically designed to serve as a satellite in **low Earth orbit**.

## References

1. [Source](https://www.ohb-system.de/files/images/mediathek/downloads/OHB-System_Satellite_Platforms_2018.pdf)