planetoid

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According to Tolec, the Andromeda Council has a number of “biospheres” or large planetoid-like spherical spacecraft stationed around Earth.
据Tolec说，仙女座议会的“生态圈”是一种类似小行星大小的绕地球飞行的球形飞船。
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That you can turn your back on Kenya and go live on some terraformed planetoid, just because you want to wake up to the sight of a handful of animals grazing.
你把肯尼亚背弃了，然后再搬到一颗什么改造成地球的小行星上去住，其实就因为你想要每天早上醒来时能看见一群食草动物！
Due to the dragging force, trajectories of spacecraft circling planetoid can departure from the standard taper curve orbit which is obtained by the two-body hypothesis.
绕小行星运行的航天器由于受到摄动力的影响，运行轨迹会偏离二体假设下的圆锥曲线轨道。