Global UltraViolet Imager

GUVI Biblio


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Found 2 entries in the Bibliography.

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Simplified Approach to Detect Satellite Maneuvers Using TLE Data and Simplified Perturbation Model Utilizing Orbital Element Variation

In this study, an algorithm to identify the maneuvers of a satellite is developed by comparing the Keplerian elements acquired from the two-line elements (TLEs) and Keplerian elements propagated from simplified perturbation models. TLEs contain a specific set of orbital elements, whereas the simplified perturbation models are used to propagate the state vectors at a given time. By comparing the corresponding Keplerian elements derived from both methods, a satellite’s maneuver is identified. This article provides an outline ...

Mukundan, Arvind; Wang, Hsiang-Chen;

Published by: Applied Sciences      Published on: jan

YEAR: 2021     DOI: 10.3390/app112110181

Keplarian elements; simplified perturbation models; trial \& error and maneuver detection; two-line elements


Use of two-line element data for thermosphere neutral density model calibration

Traditional empirical thermospheric density models are widely used in orbit determination and prediction of low-Earth satellites. Unfortunately, these models often exhibit large density errors of up to around 30\% RMS. Density errors translate into orbit errors, adversely affecting applications such as re-entry operations, manoeuvre planning, collision avoidance and precise orbit determination for geodetic missions. The extensive database of two-line element (TLE) orbit data contains a wealth of information on satellite drag ...

Doornbos, Eelco; Klinkrad, Heiner; Visser, Pieter;

Published by: Advances in Space Research      Published on:

YEAR: 2008     DOI:

thermosphere density; satellite drag; Orbit determination; two-line elements