Keplar orbit

例句：

1. 1. The Kepler orbit is a model of the solar system that explains the movement of planets around the sun.
   凯普勒轨道是太阳系模型，解释了行星围绕太阳的运动。
2. 2.The Kepler orbit was discovered by the famous astronomer Johannes Kepler in the 17th century.
   凯普勒轨道是由著名天文学家约翰内斯·开普勒在17世纪发现的。
3. 3. The Kepler orbit has been used to study the motion of celestial bodies and predict future events.
   凯普勒轨道被用来研究天体的运动并预测未来事件。