Authors : Sushil S. T.; Santhanalakshmi V.; Dr. D. P. Sivasakti Balan; R. J. Thayumanaswamy

Volume/Issue : Volume 11 - 2026, Issue 9 - September

Google Scholar : https://tinyurl.com/5dunphxm

DOI : https://doi.org/10.38124/ijisrt/26sep040

Note : A published paper may take 4-5 working days from the publication date to appear in PlumX Metrics, Semantic Scholar, and ResearchGate.

Abstract : The rapid expansion of space activities over the past decades has led to a significant increase in the population of artificial objects in Earth’s orbit, commonly referred to as space debris. This research paper presents a comprehensive analytical study of space debris, focusing on its origin, classification, distribution, and dynamic behaviour in various orbital regimes, including Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and Geostationary Orbit (GEO). The study synthesizes data from international space agencies and tracking systems to evaluate debris density, size distribution, and collision probabilities. A key aspect of this research involves modelling the evolution of debris populations using statistical techniques. The paper examines major contributors to debris generation, such as satellite fragmentation events, defunct spacecraft, launch vehicle remnants, and collisions. Special attention is given to cascading collision phenomena (Kessler Syndrome), which poses a long-term threat to the sustainability of space operations. The impact analysis explores both operational and environmental consequences. For active satellites and space missions, debris presents severe risks including structural damage, mission failure, and increased operational costs due to collision avoidance manoeuvres. The study also evaluates risks to human spaceflight and the integrity of critical infrastructure such as communication, navigation, and Earth observation systems. Furthermore, the paper discusses potential re-entry hazards and their implications for Earth’s surface. Mitigation and remediation strategies are critically assessed, including international guidelines, debris minimization techniques, end-of-life disposal practices, and emerging technologies for active debris removal (ADR). Policy frameworks, leading countries that contribute to space debris and global cooperation efforts are also analysed to highlight the importance of sustainable space governance. The findings emphasize the urgent need for coordinated international action, improved tracking capabilities, and the adoption of robust mitigation strategies to ensure the long-term usability of outer space.

Keywords : Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and Geostationary Orbit (GEO), Kessler Syndrome, Active Debris Removal (ADR).

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