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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Dynamics around an asteroid modeled as a mass tripole

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Author(s):
L. B. T. Santos [1] ; L. O. Marchi [2] ; P. A. Sousa-Silva [3] ; D. M. Sanchez [4] ; S. Aljbaae [5] ; A. F. B. A. Prado [6]
Total Authors: 6
Affiliation:
[1] National Institute for Space Research - Brasil
[2] National Institute for Space Research - Brasil
[3] São Paulo University - Brasil
[4] National Institute for Space Research - Brasil
[5] National Institute for Space Research - Brasil
[6] National Institute for Space Research - Brasil
Total Affiliations: 6
Document type: Journal article
Source: REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA; v. 56, n. 2, p. 269-286, 2021-03-24.
Abstract

ABSTRACT The orbital dynamics of a spacecraft orbiting around irregular small celestial bodies is a challenging problem. Difficulties to model the gravity field of these bodies arise from the poor knowledge of the exact shape as observed from the Earth. In order to understand the complex dynamical environment in the vicinity of irregular asteroids, several studies have been conducted using simplified models. In this work, we investigate the qualitative dynamics in the vicinity of an asteroid with an arched shape using a tripole model based on the existence of three mass points linked to each other by rods with given lengths and negligible masses. We applied our results to some real systems, namely, asteroids 8567, 243 Ida and 433 Eros and also Phobos, one of the natural satellites of Mars. (AU)

FAPESP's process: 16/18418-0 - Search for orbits around the Lagrangian points of a triple asteroid and orbital transfers
Grantee:Leonardo Barbosa Torres dos Santos
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 16/24561-0 - On the relevance of small bodies in orbital dynamics
Grantee:Othon Cabo Winter
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 18/00059-9 - Trajectories for missions to asteroids using invariant manifolds
Grantee:Priscilla Andressa de Sousa Silva
Support Opportunities: Regular Research Grants