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Discovery of a moon orbiting the asteroid 45 Eugenia

✍ Scribed by Merline, W. J.; Close, L. M.; Dumas, C.; Chapman, C. R.; Roddier, F.; Ménard, F.; Slater, D. C.; Duvert, G.; Shelton, C.; Morgan, T.

Book ID
109812074
Publisher
Nature Publishing Group
Year
1999
Tongue
English
Weight
181 KB
Volume
401
Category
Article
ISSN
0028-0836

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A dynamical solution of the triple aster
A dynamical solution of the triple asteroid system (45) Eugenia
✍ F. Marchis; V. Lainey; P. Descamps; J. Berthier; M. Van Dam; I. de Pater; B. Mac 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 671 KB

We present the first dynamical solution of the triple asteroid system (45) Eugenia and its two moons Petit-Prince (diameter $ 7 km) and S/2004 (45) 1 (diameter $ 5 km). The two moons orbit at 1165 and 610 km from the primary, describing an almost-circular orbit (e $ 6 Â 10 À3 and e $ 7 Â 10 À2 respe