| Texto completo | |
| Autor(es): |
Sanchez, Diogo M.
[1]
;
Deienno, Rogerio
[2]
;
Prado, Antonio F. B. A.
[1]
;
Howell, Kathleen C.
[3]
Número total de Autores: 4
|
| Afiliação do(s) autor(es): | [1] Natl Inst Space Res, Av Astronautas 1758, BR-12227010 Sao Jose Dos Campos, SP - Brazil
[2] Southwest Res Inst, Dept Space Studies, 1050 Walnut St, Boulder, CO 80302 - USA
[3] Purdue Univ, Sch Aeronaut & Astronaut, 701 West Stadium Ave, W Lafayette, IN 47907 - USA
Número total de Afiliações: 3
|
| Tipo de documento: | Artigo Científico |
| Fonte: | Monthly Notices of the Royal Astronomical Society; v. 496, n. 2, p. 2085-2097, AUG 2020. |
| Citações Web of Science: | 0 |
| Resumo | |
The dwarf planet Haumea is a trans-Neptunian object that is orbited by two moons and has a recently discovered ring. The particles of this ring arc near the 3:1 resonance between the spin of Haumea and the orbital motion of the particles. In this work, the ring of Haumea is investigated using Perturbation Maps. These maps show the behaviour and impact of perturbations acting over particles around Haumea. The information coming from the maps depends on the integral type for the disturbing acceleration used to build the maps. The types II and IV are used. The numerical simulations are focused in the region between 2000 and 2500 km from the centre of Haumca, which is the region where the ring was observed, considering two initial values for the 3:1 resonant angle: theta(res) = 0 degrees and theta(res) = 270 degrees. The possible stable region for the initial angle theta(res) = 0 degrees is larger than the stable region for the initial angle theta(res) = 270 degrees. Furthermore, we found that these stable regions are not continuous, indicating that there are possible gaps in the ring. Therefore, our results suggest that Haumea may not have only one single ring, but a system of rings instead. Possible transit of the particles between the ring and the region close to the orbit of Namaka is also shown. (AU) | |
| Processo FAPESP: | 16/24561-0 - A relevância dos pequenos corpos em dinâmica orbital |
| Beneficiário: | Othon Cabo Winter |
| Modalidade de apoio: | Auxílio à Pesquisa - Temático |
| Processo FAPESP: | 14/22295-5 - Estudo da dinâmica de satélites artificiais em torno de sistemas triplos |
| Beneficiário: | Diogo Merguizo Sanchez |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |