Results 1 to 10 of about 5,241,656 (274)

Uncertainty Quantification for Space Situational Awareness and Traffic Management [PDF]

open access: yesSensors, 2019
This paper presents a sensor-orientated approach to on-orbit position uncertainty generation and quantification for both ground-based and space-based surveillance applications.
Samuel Hilton   +5 more
doaj   +6 more sources

Stratospheric Night Sky Imaging Payload for Space Situational Awareness (SSA) [PDF]

open access: yesSensors, 2023
Space situational awareness (SSA) refers to collecting, analyzing, and keeping track of detailed knowledge of resident space objects (RSOs) in the space environment.
Perushan Kunalakantha   +5 more
doaj   +4 more sources

Optimal Tasking of Ground-Based Sensors for Space Situational Awareness Using Deep Reinforcement Learning [PDF]

open access: yesSensors, 2022
Space situational awareness (SSA) is becoming increasingly challenging with the proliferation of resident space objects (RSOs), ranging from CubeSats to mega-constellations.
Peng Mun Siew, Richard Linares
doaj   +4 more sources

A Study on Re-entry Predictions of Uncontrolled Space Objects for Space Situational Awareness [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2017
The key risk analysis technologies for the re-entry of space objects into Earth`s atmosphere are divided into four categories: cataloguing and databases of the re-entry of space objects, lifetime and re-entry trajectory predictions, break-up models after
Eun-Jung Choi   +4 more
doaj   +4 more sources

Localization and classification of space objects using EfficientDet detector for space situational awareness [PDF]

open access: yesScientific Reports, 2022
Space situational awareness (SSA) systems play a significant role in space navigation missions. One of the most essential tasks of this system is to recognize space objects such as spacecrafts and debris for various purposes including active debris ...
Nouar AlDahoul   +3 more
doaj   +2 more sources

Real-Time Event-Based Unsupervised Feature Consolidation and Tracking for Space Situational Awareness [PDF]

open access: yesFrontiers in Neuroscience, 2022
Earth orbit is a limited natural resource that hosts a vast range of vital space-based systems that support the international community's national, commercial and defence interests.
Nicholas Ralph   +7 more
doaj   +2 more sources

Task Planning for Multiple-Satellite Space-Situational-Awareness Systems

open access: yesAerospace, 2021
Space situational awareness (SSA) plays an important role in maintaining space advantages. Task planning is one of the key technologies in SSA to allocate multiple tasks to multiple satellites, so that a satellite may be allocated to supervise multiple ...
Yutao Chen   +3 more
doaj   +3 more sources

RSONAR: Data-Driven Evaluation of Dual-Use Star Tracker for Stratospheric Space Situational Awareness (SSA) [PDF]

open access: yesSensors
The growing density of Earth-orbiting objects demands improved Space Situational Awareness (SSA) to mitigate collision risks and sustain space operations. This study demonstrates a dual-purpose star tracker (ST) for SSA using data from the Resident Space
Vithurshan Suthakar   +5 more
doaj   +2 more sources

Overview on Space-Based Optical Orbit Determination Method Employed for Space Situational Awareness: From Theory to Application

open access: yesPhotonics
Leveraging space-based optical platforms for space debris and defunct spacecraft detection presents several advantages, including a wide detection range, immunity to cloud cover, and the ability to maintain continuous surveillance on space targets.
Zhe Zhang   +6 more
doaj   +3 more sources

Space-Based Passive Orbital Maneuver Detection Algorithm for High-Altitude Situational Awareness

open access: yesAerospace
Orbital maneuver detection for non-cooperative targets in space is a key task in space situational awareness. This study develops a passive maneuver detection algorithm using line-of-sight angles measured by a space-based optical sensor, especially for ...
Shihang Yang   +3 more
doaj   +3 more sources

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