Searched for: subject%3A%22Space%255C%2BDebris%22
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Geul, J. (author)
The goal of the research is to improve space situational awareness (SSA) for space debris objects, and to make space operations more sustainable and remain possible in the future. Vital to this awareness is understanding which objects are present, through space surveillance and tracking (SST), and where these objects will be in the future,...
doctoral thesis 2023
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Sinha, Ishita (author)
Recent launches of satellite constellations in the Low Earth Orbit (LEO) region have increased the collision probability of existing debris objects with active satellites. Monitoring the trajectories of these debris objects is crucial for Space Situational Awareness (SSA) to prevent the creation of more debris due to unwanted collisions. Much...
master thesis 2023
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Capus, Luana (author)
Space debris has become a rising problem in the aerospace community, leading to the need for effective spacecraft collision avoidance processes. Currently, these processes can be called unilateral as only one object in conjunction is considered maneuverable. This thesis focuses on the implementation of a combined action approach to collision...
master thesis 2023
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Rueda Oller, Guillem (author)
The Geosynchronous Large Debris Reorbiter concept is an active debris removal method proposed for defunct satellites in geostationary orbit. This method uses the electrostatic tractor (or tug), which is a spacecraft that controls a mutual electrostatic force on a target and uses this force to slowly accelerate the target towards or away from the...
master thesis 2023
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Pettinari, Yurij (author)
Space debris and micrometeoroids are abundant around our home planet and offer both an opportunity of research for scientists and a threat to human’s endeavours in space. Impacts with even the smallest particles can happen at such high velocities that they can damage or destroy an operational spacecraft, creating even more debris and possibly...
master thesis 2023
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Harazim, Mateusz (author)
The issue of space debris in Low Earth Orbit is a growing concern that requires comprehensive solutions. This includes preventing further pollution, removing existing debris, and designing resilient spacecraft that can withstand impacts. This thesis focuses on the improvement of spacecraft shielding structures to provide effective protection...
master thesis 2023
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Aggarwal, Kapish (author), Noomen, R. (author)
Mars is expected to become a focal point of exploration (human and robotic) in the coming century, with a very likely need for a robust space infrastructure. Be it communication and navigation satellite constellations or scientific missions in low Mars orbits (LMO) and Areosynchronous orbits (ASO), every individual satellite will have a...
journal article 2023
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de Veld, Frank (author)
Thousands of space debris objects remain in space after decades of spaceflight without sustainability regulations. Some of these objects de-orbit naturally, but not objects in the geostationary region for which active debris removal is needed. This thesis presents the case of geostationary debris removal using solar sailing, a propulsion method...
master thesis 2022
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Cattani, Benedetta (author)
More than one million artificial objects greater than 1 cm are already orbiting around the Earth and this number is expected to grow. In the next three years more satellites will be launched than in the past six decades and the rate of space collisions and explosions is also expected to increase, up until an unstoppable series of collisions,...
master thesis 2022
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Luggeri, Gianmarco (author)
There is a need for environmental sustainability also beyond the atmosphere: Human activities are causing a tragedy of the commons in outer space, and most of the world population does not know anything about it. Outer space has become a non-cooperative game for a few players with infinite resources, in an environment with limited resources. The...
master thesis 2022
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Ryan, Conor (author)
Spacecraft are under constant threat from hypervelocity impacts by micrometeoroids and space debris. Due to their large surface area and hence increased probability of being impacted by debris, solar arrays are of particular concern. For larger, trackable debris objects, collision avoidance manoeuvres can be performed so as the minimise the...
master thesis 2022
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Leon Dasi, Mireia (author)
The number of space objects has largely increased in the recent years, becoming a considerable threat to the present and future of satellite operations and human spaceflight. This introduces a need to accurately compute the risk of collision between satellites and space debris. Current methodologies are limited by the type of encounter and the...
master thesis 2022
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Pieters, Liam (author), Noomen, R. (author)
This research investigates the performance of a space-based laser system to remove debris objects with size smaller than 10 cm. The laser system is placed in a 800 km Sun Synchronous Orbit and consists of a 20 kW laser that shoots 300 J energy pulses with a repetition frequency of 66.66 Hz. The system is able to detect and track debris...
journal article 2022
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Schild, Maarten (author), Noomen, R. (author)
Due to ever increasing accessibility, recent years have seen a fast growing number of launches to space, especially to Sun-synchronous orbit. The spent rocket parts, and eventually non-functioning payloads of these launches remain in orbit. It is well established that this accumulation of space debris over time is quickly making this the most...
journal article 2022
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Schild, Maarten (author)
Due to ever increasing accessibility, recent years have seen a fast growing number of launches to space, especially to Sun-synchronous orbit. The spent rocket parts, payload fairings and eventually non-functioning payloads of these launches remain in orbit. It is well-established that this accumulation of space debris over time is quickly making...
master thesis 2021
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Molera Calvés, G. (author), Pogrebenko, S. V. (author), Wagner, J. F. (author), Cimò, G. (author), Gurvits, L. (author), Bocanegra-Bahamón, T. M. (author), Duev, D. A. (author), Nunes, N. V. (author)
We present a software package for single-dish data processing of spacecraft signals observed with VLBI-equipped radio telescopes. The Spacecraft Doppler tracking (SDtracker) software allows one to obtain topocentric frequency detections with a sub-Hz precision and reconstructed and residual phases of the carrier signal of any spacecraft or...
journal article 2021
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Alforja Ruiz, Iñigo (author)
Space debris is becoming one of the major risks to be suffered by operating and future space missions. Recent studies show that the number of potentially hazardous uncontrolled orbital bodies is growing with time, increasing the probability of impact with operational satellites. To counteract this problem, several studies are being suggested to...
master thesis 2020
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Barad, Kuldeep (author)
Autonomous vision-based navigation is a crucial element for space applications involving a potentially uncooperative target, such as proximity operations for on-orbit servicing or active debris removal. Due to low mass and power characteristics, monocular vision sensors are an attractive choice for onboard vision-based navigation systems. This...
master thesis 2020
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Lopez Jimenez, Sergi (author)
The future space environment is predicted to grow in number of both operational and inactive man-made objects and the era of constellations is expected to arrive during the following years, with many telecom companies launching constellations of up to 12000 satellites. This situation will inevitably lead to over-population of the most demanded...
master thesis 2020
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Pinardell Pons, Aleix (author), Noomen, R. (author)
GTO objects can potentially collide with operative satellites in LEO and GEO protected regions. Internationally accepted debris mitigation guidelines require that these objects exit these protected regions within 25 years, e.g. by re-entering and burning up in Earth's atmosphere. In this paper, an inventory of the GTO debris generated from...
journal article 2019
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