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   Articles with "orbit prediction" as a keyword



An improved method for LEO orbit prediction using predicted accelerometer data

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recommendations! Published in 2024 at "GPS Solutions"

DOI: 10.1007/s10291-024-01676-w

Abstract: The Low Earth Orbit (LEO) enhanced Global Navigation Satellite System (LeGNSS) relies on LEO satellites to broadcast GNSS-like navigation signals, providing real-time satellite orbit and clock information to enhance GNSS service performance. To ensure real-time… read more here.

Keywords: navigation; accelerometer data; orbit; orbit prediction ... See more keywords

Gaussian Processes for improving orbit prediction accuracy

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recommendations! Published in 2019 at "Acta Astronautica"

DOI: 10.1016/j.actaastro.2019.05.014

Abstract: Abstract A machine learning (ML) approach has been recently proposed to improve the orbit prediction accuracy of resident space objects (RSOs) through learning from historical data. Previous results have shown that the ML approach can… read more here.

Keywords: orbit prediction; gaussian processes; prediction accuracy;

Impacts of Earth rotation parameters on GNSS ultra-rapid orbit prediction: Derivation and real-time correction

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recommendations! Published in 2017 at "Advances in Space Research"

DOI: 10.1016/j.asr.2017.09.022

Abstract: Abstract Analysis centers (ACs) for global navigation satellite systems (GNSSs) cannot accurately obtain real-time Earth rotation parameters (ERPs). Thus, the prediction of ultra-rapid orbits in the international terrestrial reference system (ITRS) has to utilize the… read more here.

Keywords: ultra rapid; correction; orbit prediction; rapid orbit ... See more keywords

Improved orbit prediction of LEO objects with calibrated atmospheric mass density model

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recommendations! Published in 2019 at "Journal of Spatial Science"

DOI: 10.1080/14498596.2017.1371089

Abstract: Abstract The accuracy of atmospheric mass density models is critical for OP (orbit prediction) of LEO (low earth orbit) space objects. This paper studies the effects of three methods on the improvement of OP accuracy… read more here.

Keywords: leo objects; mass density; prediction leo; orbit prediction ... See more keywords

Digital-Twin-Based Satellite Orbit Prediction for Internet of Things Systems

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recommendations! Published in 2025 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2024.3424672

Abstract: Satellites play a crucial role in Internet of Things (IoT) applications that require precise positioning. Satellite orbit prediction serves as the foundation for providing accurate terminal location services. However, traditional satellite orbit prediction faces challenges… read more here.

Keywords: satellite orbit; prediction; internet things; orbit ... See more keywords

An XGBoost-Based Method for Improved Orbit Prediction With an Orbit-Separate Modeling Strategy

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recommendations! Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"

DOI: 10.1109/taes.2024.3383430

Abstract: This article introduces a novel approach to improving the accuracy of satellite orbit prediction (OP) by combining XGBoost with the extended Kalman filter (EKF). While EKF is a well-established method in orbit determination, it falls… read more here.

Keywords: method; orbit; orbit separate; orbit prediction ... See more keywords