000171248 001__ 171248
000171248 005__ 20260515163946.0
000171248 0247_ $$2doi$$a10.1016/j.asr.2026.03.036
000171248 0248_ $$2sideral$$a149256
000171248 037__ $$aART-2026-149256
000171248 041__ $$aeng
000171248 100__ $$0(orcid)0000-0001-5208-4494$$aElipe, Antonio$$uUniversidad de Zaragoza
000171248 245__ $$aPeriodic orbit families around slow-rotating dipole-segment bodies: The case of the asteroid Itokawa
000171248 260__ $$c2026
000171248 5060_ $$aAccess copy available to the general public$$fUnrestricted
000171248 5203_ $$aThe Dipole-Segment (DS) model has proven to be a useful approximation for representing the gravitational potential of elongated asteroids with end-point protrusions. The model consists of a massive rod with two spherical masses attached at its extremities, rotating about its center of mass with uniform angular velocity. The potential function depends on three parameters, one of which, K, is associated with the rotation rate. The dynamical behavior of the system therefore varies significantly between fast- and slow-rotating bodies. This work provides a comprehensive dynamical characterization of the DS model applied to a slow-rotating asteroid. As a case study, we consider asteroid (25143) Itokawa, for which we compute a complete family map of symmetric periodic orbits and assess their stability properties; these are then compared with analogous families of periodic orbits of the Restricted Three-Body Problem. Furthermore, we identify heteroclinic connections between unstable isosceles equilibria. These results demonstrate that slow rotation gives rise to a significantly richer dynamical structure than previously observed for moderate–to–fast rotations, highlighting the relevance of rotational effects in mission design around small irregular bodies.
000171248 536__ $$9info:eu-repo/grantAgreement/ES/DGA/E24-26R$$9info:eu-repo/grantAgreement/ES/MICIU/PID2024-156002NB-I00
000171248 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc-nd$$uhttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
000171248 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000171248 700__ $$aFerreira, Alessandra F.S.
000171248 700__ $$0(orcid)0000-0002-5692-5876$$aAbad, Alberto
000171248 7102_ $$12005$$2595$$aUniversidad de Zaragoza$$bDpto. Matemática Aplicada$$cÁrea Matemática Aplicada
000171248 773__ $$g77, 9 (2026), 9105-9126$$pAdv. space res.$$tAdvances in Space Research$$x0273-1177
000171248 8564_ $$s6995711$$uhttps://zaguan.unizar.es/record/171248/files/texto_completo.pdf$$yVersión publicada
000171248 8564_ $$s2382470$$uhttps://zaguan.unizar.es/record/171248/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000171248 909CO $$ooai:zaguan.unizar.es:171248$$particulos$$pdriver
000171248 951__ $$a2026-05-15-14:55:55
000171248 980__ $$aARTICLE