2015IOAA理论短问题第1题-共振轨道

来自astro-init

英文题目

Several exoplanets have been observed in the Gliese 876 system $$\left(M_{G} = 0.33\pm 0.03 M_{\odot}\right)$$ as given in the following table,

Gliese System Mass Semi Major Axis (AU)
Gliese 876 b $$2.276M_{J}$$ 0.2083
Gliese 876 c $$0.714M_{J}$$ 0.1296
Gliese 876 d $$6.8M_{\oplus}$$ 0.0208
Gliese 876 e $15M_{\oplus}$$ 0.334