Internal structure of the nucleus of 67P/Churyumov-Gerasimenko from its gravity field
Abstract
Various models of the interior nucleus structure and density distributions are used to compute simulated values of the gravity field coefficients. A comparison with the observed coefficients yields the feasibility of the theoretical interior structure. Thus, the gravity field helps constraining models of the internal structure, the composition and also of the origin and formation of the comets' nucleus. Another approach was applied with a model of the nucleus using mass concentrations. This results in a more precise representation of the highly irregular gravity field. It also enables to model various different density structures within the nucleus and test them with an orbit determination procedure.
- Publication:
-
EPSC-DPS Joint Meeting 2019
- Pub Date:
- September 2019
- Bibcode:
- 2019EPSC...13..582H