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Analysis of the Impact of Atmospheric Models on the Orbit Prediction of Space Debris [PDF]

open access: goldSensors, 2023
Atmospheric drag is an important influencing factor in precise orbit determination and the prediction of low-orbit space debris. It has received widespread attention.
Yigao Ding   +6 more
doaj   +4 more sources

Orbit Predictions for Space Object Tracked by Ground-Based Optical and SLR Stations [PDF]

open access: goldRemote Sensing, 2022
In many cases, we have few optical observations over a short time span, and most of the information generated is too limited to compute a full orbit according to the angles-only method.
A. M. Abdelaziz   +4 more
doaj   +2 more sources

Improving High-Precision BDS-3 Satellite Orbit Prediction Using a Self-Attention-Enhanced Deep Learning Model [PDF]

open access: yesSensors
Precise Global Navigation Satellite System (GNSS) orbit prediction is critical for real-time positioning applications. Current orbit prediction accuracy for the BeiDou Navigation Satellite System-3 (BDS-3) exhibits a notable disparity compared to GPS and
Shengda Xie, Jianwen Li, Jiawei Cai
doaj   +2 more sources

GPS Satellite Orbit Prediction at User End for Real-Time PPP System [PDF]

open access: yesSensors, 2017
This paper proposed the high-precision satellite orbit prediction process at the user end for the real-time precise point positioning (PPP) system. Firstly, the structure of a new real-time PPP system will be briefly introduced in the paper.
Hongzhou Yang, Yang Gao
doaj   +2 more sources

Improving Low Earth Orbit (LEO) Prediction with Accelerometer Data [PDF]

open access: goldRemote Sensing, 2020
Low Earth Orbit (LEO) satellites have been widely used in scientific fields or commercial applications in recent decades. The demands of the real time scientific research or real time applications require real time precise LEO orbits.
Haibo Ge   +4 more
doaj   +2 more sources

Analysis of Space Debris Orbit Prediction Using Angle and Laser Ranging Data from Two Tracking Sites under Limited Observation Environment [PDF]

open access: yesSensors, 2020
The global electro-optical (EO) and laser tracking sensor network was considered to investigate improvements to orbit prediction (OP) accuracy of space debris by combining angle and laser ranging data.
Simon Kim   +9 more
doaj   +2 more sources

Efficient Multi-Threaded Data Starting Point Matching Method for Space Target Cataloging [PDF]

open access: yesSensors
Currently, multi-target survey telescope arrays play an important role in the build-up and maintenance of space object catalog databases, collecting massive observational data without attributing information.
Jiannan Sun   +3 more
doaj   +2 more sources

Orbit Prediction Methods for ONEWEB Constellation

open access: yesAerospace
This study aims to enhance Low Earth Orbit (LEO) satellite orbit prediction accuracy. We propose the Precise Orbit Determination with Optimized Perturbations (PODOP) method, considering Earth’s non-spherical gravity, atmospheric drag, etc., and a Long ...
Junyu Chen   +3 more
doaj   +2 more sources

ANALYSIS OF THE GRAVITY MODELS IMPACT ON LEO SATELLITE ORBIT PREDICTION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Non-spherical gravity plays a crucial role in the LEO satellite orbit determination and prediction. In recent years, several new gravity models have been proposed with more comprehensive ground and space-borne data.
Y. Zhuang, L. Wang
doaj   +1 more source

A Case Study on the Effect of Atmospheric Density Calibration on Orbit Predictions with Sparse Angular Data

open access: yesRemote Sensing, 2023
Accurately modeling the density of atmospheric mass is critical for orbit determination and prediction of space objects. Existing atmospheric mass density models (ADMs) have an accuracy of about 15%.
Junyu Chen   +3 more
doaj   +1 more source

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