### Résumé

langue originale | Anglais |
---|---|

Pages (de - à) | 597-603 |

Nombre de pages | 7 |

journal | Advances in Space Research |

Volume | 44 |

état | Publié - 2009 |

### Empreinte digitale

### Citer ceci

*Advances in Space Research*,

*44*, 597-603.

}

*Advances in Space Research*, VOL. 44, p. 597-603.

**Determination of an instantaneous Laplace plane for Mercury's rotation.** / D'Hoedt, Sandrine; Noyelles, Benoît; Dufey, Julien; Lemaître, Anne.

Résultats de recherche: Contribution à un journal/une revue › Article

TY - JOUR

T1 - Determination of an instantaneous Laplace plane for Mercury's rotation

AU - D'Hoedt, Sandrine

AU - Noyelles, Benoît

AU - Dufey, Julien

AU - Lemaître, Anne

PY - 2009

Y1 - 2009

N2 - Mercury is the target of two space missions: MESSENGER, which carried out its first and second flybys of Mercury on January 14, 2008 and October 6, 2008, and the ESA/JAXA space mission BepiColombo, scheduled to arrive at Mercury in 2020. The preparation of these missions requires a good knowledge of the rotation of Mercury. This paper presents studies performed by the MORE/ROMEO Team of BepiColombo mission. In particular, we show here an analytical study of the rotation of Mercury, and the determination of a suitable Laplace plane that can be considered as a reference inertial plane for the duration of the mission. Our main results are a prediction of the short-period perturbations that should be detected in the longitudinal rotational motion of Mercury, and an easy method to define an instantaneous Laplace plane taking into account the very small precession of Mercury's orbit. This plane is afterward chosen as constant reference plane. An estimation of the (small) error induced by this choice is also computed.

AB - Mercury is the target of two space missions: MESSENGER, which carried out its first and second flybys of Mercury on January 14, 2008 and October 6, 2008, and the ESA/JAXA space mission BepiColombo, scheduled to arrive at Mercury in 2020. The preparation of these missions requires a good knowledge of the rotation of Mercury. This paper presents studies performed by the MORE/ROMEO Team of BepiColombo mission. In particular, we show here an analytical study of the rotation of Mercury, and the determination of a suitable Laplace plane that can be considered as a reference inertial plane for the duration of the mission. Our main results are a prediction of the short-period perturbations that should be detected in the longitudinal rotational motion of Mercury, and an easy method to define an instantaneous Laplace plane taking into account the very small precession of Mercury's orbit. This plane is afterward chosen as constant reference plane. An estimation of the (small) error induced by this choice is also computed.

KW - Mercury; Celestial mechanics; Rotational dynamics

M3 - Article

VL - 44

SP - 597

EP - 603

JO - Advances in Space Research

JF - Advances in Space Research

SN - 0273-1177

ER -