The d.deorbit CDF study identified the robotic gripper mechanism as a key area of technology development. The gripper, which is attached to the tip of the robotic arm, plays a important role in the satellite capture operation as it provides the mechanical and structural interface between the servicer/chaser vehicle and the target satellite during the critical capture and stabilisation operations. Due to the potentially unknown state of the target satellite, the capture operation must be able to handle both cooperative satellites (i.e.

Contamination transfer can be influenced by many parameters. Contaminants can be transported by several mechanisms, like outgassing, offgassing, contact, saltation etc. To validate complex models and to quantify effective transfer rates, experimental validation of these models is necessary. For this it is proposed to conduct experiments in a well defined environment with well characterised sample and surface properties, geometries etc. and to devise mitigation strategies by proposing e.g. appropriate engineering measures to limit the contamination transfer.

A major challenge in the field of control is to achieve reliable, aggressive, high-speed control of autonomous vehicles. In space, this may involve spacecraft that need to land under harsh conditions, or even – in an extreme scenario – negotiating asteroid debris fields at high speeds. On Earth, the exemplar task that draws most attention currently is high-speed autonomous flight of drones. The application of optimal control on board limited platforms has been severely hindered by the large computational requirements of current state-of-the-art implementations.

One of the most critical points in the exploration of space beyond Earth orbit is the provision of systems which ensure the survival of both crew and technological assets, such as rovers an landers. The utilisation of the Moon, being the next logical step in implementing the global strategy for colonising the Solar System, is a focus of national and international space agencies.

The contract was part of the broader framework of two ESA-led mission study teams performing parallel and independent activities to establish the mission concept, considering the ISRU payload (Segment 1), the delivery service (lander, Segment 2) and the communication service (Segment 3).

In this context the scope of the OHB Italia contract activities was related to defining the ISRU Payload.

Human exploratory missions to the Moon or Mars are widely considered as the next logical steps in human space exploration and, lately, settlement. Such space exploration or settlement activities involve humans spending long periods of time in space and, with increasing distance from Earth, no abort possibilities. Crews on such missions have to be self- sufficient, not only concerning food, drink and waste, but also with respect to medical treatment. Health issues are raised by the environmental conditions in space, such as the influence of altered gravity, radiation and isolation.

Space probes are subject to memory/communication constraints that make them unable to deliver to scientists on Earth all the data that the probe could collect.

The objective of this activity was to develop a novel type of X-ray detector that combines two of the most important detector parameters: a large active area and a good energy resolution. This new 'GDD' detector is of gas-filled type, but its internal structure is similar to the widely-used Silicon Drift Detector.