Spacecraft Dynamics and Control Open access Peer reviewed

Bi-Rhomboidal Spatial Central Configuration for the Eight-Body Problem

Antônio Carlos Fernandes, Luis Fernando Mello

Journal of Nonlinear Science | Jul 8, 2026

Abstract

Abstract

Abstract We show the existence of a new symmetric spatial central configuration for the 8-body problem: two rhombi rotated by $$\pi /2$$ π / 2 relative to each other around a diagonal of one of the rhombi. More specifically: (i) six bodies are in a plane, four of which are collinear and symmetrically positioned with respect to the midpoint of the segment containing them, and two bodies are symmetrically positioned on a segment orthogonal to the previous one; (ii) the other two bodies are symmetrically positioned on a segment orthogonal to the plane containing the six previous bodies. The obtained results have simple and analytic proofs. Some numerical simulations are also presented.

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Authors

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Antônio Carlos Fernandes

first | Universidade Federal de Itajubá | ORCID 0000-0001-9297-5101

Luis Fernando Mello

last | Universidade Federal de Itajubá

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Citation

BibTeX

@article{Fernandes2026Rhomboidal,
  title = {Bi-Rhomboidal Spatial Central Configuration for the Eight-Body Problem},
  author = {Antônio Carlos Fernandes and Luis Fernando Mello},
  journal = {Journal of Nonlinear Science},
  year = {2026},
  doi = {10.1007/s00332-026-10303-6},
  url = {https://doi.org/10.1007/s00332-026-10303-6}
}

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