Articles | Volume 39, issue 3
https://doi.org/10.5194/angeo-39-397-2021
https://doi.org/10.5194/angeo-39-397-2021
Regular paper
 | 
07 May 2021
Regular paper |  | 07 May 2021

Atmospheric drag effects on modelled low Earth orbit (LEO) satellites during the July 2000 Bastille Day event in contrast to an interval of geomagnetically quiet conditions

Victor U. J. Nwankwo, William Denig, Sandip K. Chakrabarti, Muyiwa P. Ajakaiye, Johnson Fatokun, Adeniyi W. Akanni, Jean-Pierre Raulin, Emilia Correia, John E. Enoh, and Paul I. Anekwe

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (25 Sep 2020) by Johan De Keyser
AR by Victor U J Nwankwo on behalf of the Authors (17 Oct 2020)  Author's response
AR by Svenja Lange on behalf of the Authors (22 Oct 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (22 Oct 2020) by Johan De Keyser
RR by Anonymous Referee #2 (24 Oct 2020)
RR by Anonymous Referee #1 (03 Nov 2020)
ED: Publish subject to revisions (further review by editor and referees) (04 Nov 2020) by Johan De Keyser
ED: Referee Nomination & Report Request started (01 Feb 2021) by Johan De Keyser
RR by Anonymous Referee #2 (16 Feb 2021)
RR by Anonymous Referee #1 (25 Feb 2021)
AR by Anna Wenzel on behalf of the Authors (10 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (25 Feb 2021) by Johan De Keyser
AR by Victor U J Nwankwo on behalf of the Authors (07 Mar 2021)  Author's response    Manuscript
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Short summary
In this work, we simulated the effect of atmospheric drag on satellites in low Earth orbit (LEO) during 1-month intervals of disturbed and quiet solar geomagnetic activity. Our results show that geomagnetic storms (e.g. the Bastille Day event) can cause a significant drop in LEO satellite altitudes and increase their background orbit decay rate by 50–70 %. This work can contribute to improved situational awareness and mitigation of potential threats solar energetic events pose to satellites.