Global UltraViolet Imager

GUVI Biblio


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Found 2 entries in the Bibliography.

Showing entries from 1 through 2


The Global Response of Terrestrial Ionosphere to the December 2015 Space Weather Event

This paper investigates the ionospheric storm of December 19–21, 2015, which was initiated by two successive CME eruptions that caused a G3 space weather event. We used the in situ electron density (Ne) and electron temperature (Te) and the Total Electron Content (TEC) measurements from SWARM-A satellite, as well as the O/N2 observations from TIMED/GUVI to study the ionospheric impact. The observations reveal the longitudinal and hemispherical differences in the ionospheric response to the storm event. A positive ionospher ...

Thampi, Smitha; Mukundan, Vrinda;

Published by: Advances in Space Research      Published on:

YEAR: 2022     DOI: 10.1016/j.asr.2022.10.037


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