Article (Scientific journals)
Bifurcation map of periodic and quasi-periodic orbits around the asteroid 433 Eros using the harmonic balance method
Leclère, Nicolas; Kerschen, Gaëtan
2025In Acta Astronautica
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Keywords :
Bifurcation, Asteroid, Eros, Harmonic balance method
Abstract :
[en] This study applies the harmonic balance method (HBM) to compute and analyze periodic and quasi-periodic orbits around the asteroid 433 Eros. Traditional time-integration techniques are often computationally intensive and prone to numerical drift, particularly in the presence of instabilities or during the continuation of complex orbit families. By working directly in the frequency domain, HBM avoids these issues and offers a global, efficient framework for orbit computation. The use of the polyhedron gravity model ensures accurate modeling of Eros’s irregular gravitational field, while Hill’s method provides insight into the stability of periodic solutions. The study presents a dense bifurcation map highlighting over 100 bifurcations, including period-doubling and Neimark–Sacker types. A detailed spectral analysis of resonant and bifurcated orbits is conducted via normalized Fourier coefficients, offering new perspectives on orbital transitions and instabilities. The multi-harmonic extension (MHBM) is also employed to compute quasi-periodic orbits, with validation against time-domain solutions. The results demonstrate that HBM is a powerful alternative to traditional techniques, enabling accurate, efficient, and insightful analysis of complex orbital dynamics in asteroid environments.
Disciplines :
Aerospace & aeronautics engineering
Author, co-author :
Leclère, Nicolas  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
Kerschen, Gaëtan  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Language :
English
Title :
Bifurcation map of periodic and quasi-periodic orbits around the asteroid 433 Eros using the harmonic balance method
Publication date :
September 2025
Journal title :
Acta Astronautica
ISSN :
0094-5765
eISSN :
1879-2030
Publisher :
Elsevier
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 September 2025

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