Results 71 to 80 of about 5,290,668 (161)

Knowledge-Intensive Fusion for Situational Awareness: Requirements for Knowledge-Filtered Awareness

This report aims to outline the requirements for knowledge-filtered awareness in the context of the DIF DTC ‘Knowledge-Based Information Fusion for Improved Situational Awareness’ project.
Smart, Paul R.
core   +1 more source

Enhanced Conjunction Assessment in LEO: A Hybrid Monte Carlo and Spline-Based Method Using TLE Data

Aerospace
The growing density of space objects in low Earth orbit (LEO), driven by the deployment of large satellite constellations, has elevated the risk of orbital collisions and the need for high-precision conjunction analysis.
Shafeeq Koheal Tealib, Ahmed Magdy Abdelaziz, Igor E. Molotov, Xu Yang, Jian Sun, Jing Liu   +5 more
doaj   +1 more source

Optimization of a Walker Constellation Using an RBF Surrogate Model for Space Target Awareness

Aerospace
Designing Low Earth Orbit (LEO) constellations for the continuous, collaborative observation of space objects in MEO/GEO is a complex optimization task, frequently limited by prohibitive computational costs.
You Fu, Zhaojing Xu, Youchen Fan, Liu Yi, Zhao Ma, Yuhai Li, Shengliang Fang   +6 more
doaj   +1 more source

A new approach to modelling space weather impact on the aerodynamic drag of LEO objects

Journal of Space Weather and Space Climate
The ability of space-based infrastructure to provide essential and sustained benefits to humanity in critical areas such as communications, Earth observation, technology development, navigation, and space exploration is increasingly threatened by the ...
Nwankwo Victor U.J., Berdermann Jens, Borries Claudia, Heymann Frank, Kodikara Naveen Timothy, Fernandez-Gomez Isabel, Hoque Mohammed M.   +6 more
doaj   +1 more source

The Operational Impact of SARGASSIA on Space Traffic Management

The rapid proliferation of space objects poses a severe threat to the orbital environment, making Space Traffic Management (STM) and Space Situational Awareness (SSA) essential for space safety and sustainability.
Francesco Menzione, Roberto Opromolla, Andrea Piccolo, Giorgio Isoletta, Alessandro Ferrario, Giancarmine Fasano, Pietro Russo   +6 more
core  

Light-Curve Classification of Resident Space Objects for Space Situational Awareness: A Scoping Review

Aerospace
The proliferation of Resident Space Objects (RSOs), including satellites, rocket bodies, and debris, poses escalating challenges for Space Situational Awareness (SSA). Optical light curves capture temporal brightness variations influenced by factors such
Minyoung Hwang, Vithurshan Suthakar, Randa Qashoa, Regina S. K. Lee, Gunho Sohn   +4 more
doaj   +1 more source

Abstracts

Molecular Oncology, Volume 20, Issue S1, Page 1-692, August 2026.
Abstracts submitted to the ‘EACR 2026 Congress: Innovative Cancer Science’, from 08–11 June 2026 and accepted by the Congress Organising Committee are published in this Supplement of Molecular Oncology, an affiliated journal of the European Association for Cancer Research (EACR).
wiley   +1 more source

Telescopic Network of Zhulong for Orbit Determination and Prediction of Space Objects

Remote Sensing
The increasing proliferation of space debris, intermittent space incidents, and the rapid emergence of massive LEO satellite constellations pose significant threats to satellites in orbit.
Xiangxu Lei, Zhendi Lao, Lei Liu, Junyu Chen, Luyuan Wang, Shuai Jiang, Min Li   +6 more
doaj   +1 more source

Space Situational Awareness in Very Low Earth Orbit for Re-Entry Object Monitoring

Aerospace
As the number of objects in orbit increases every year, the number of objects re-entering Earth’s atmosphere grows as well. Re-entry path prediction is tricky, as atmospheric modeling lacks accuracy and requires constant monitoring of the object during ...
Ruth Huang, Regina S. K. Lee, Marianna Veltri, Vithurshan Suthakar, Angel Porras-Hermoso   +4 more
doaj   +1 more source

A Space Infrared Dim Target Recognition Algorithm Based on Improved DS Theory and Multi-Dimensional Feature Decision Level Fusion Ensemble Classifier

Remote Sensing
Space infrared dim target recognition is an important applications of space situational awareness (SSA). Due to the weak observability and lack of geometric texture of the target, it may be unreliable to rely only on grayscale features for recognition ...
Xin Chen, Hao Zhang, Shenghao Zhang, Jiapeng Feng, Hui Xia, Peng Rao, Jianliang Ai   +6 more
doaj   +1 more source