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Perturbations in orbital elements of a low earth orbiting satellite
University West, Department of Engineering Science, Division of Computer, Electrical and Surveying Engineering. Royal Institute of Technology, Stockholm, Sweden.ORCID iD: 0000-0003-0067-8631
KN Toosi University of Technology,Tehran, Iran.
2007 (English)In: Journal of the Earth and Space Physics, Vol. 33, no 1, 1-12 p.Article in journal (Refereed) Published
Abstract [en]

The main point of this paper is to evaluate the perturbations in orbital elements of a low Earth orbiting satellite. The outcome of a numerical orbit integration process is the position and velocity vectors of satellite in an inertial coordinate system. The velocity and position vectors are converted into the corresponding orbital elements. Perturbations in a satellite motion affect the orbital elements in the sense of Keplerian motion. In this paper after introducing the perturbing forces acting on a satellite, the method of converting the position and velocity into the orbital elements is presented, and finally the perturbations in orbital elements of the low Earth orbiting satellite of CHAMP are evaluated. The numerical results show that, disregarding the geopotential perturbing forces, the air drag is the most predominant among other perturbing forces: rotational deformation, solar radiation, third body effect, solid Earth tide, ocean tide, and general relativity arranged by their magnitude respectively.

Place, publisher, year, edition, pages
Institute of Geophysics, Tehran , 2007. Vol. 33, no 1, 1-12 p.
Keyword [en]
Orbit, perturbations, CHAMP, orbital elements, gravitation, air drag
National Category
Fusion, Plasma and Space Physics
Research subject
ENGINEERING
Identifiers
URN: urn:nbn:se:hv:diva-7895OAI: oai:DiVA.org:hv-7895DiVA: diva2:845863
Available from: 2015-08-13 Created: 2015-08-13 Last updated: 2015-08-17Bibliographically approved

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Eshagh, Mehdi

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