ACE Electron Proton Alpha Monitor (EPAM) Ephemeris Data, 11.5 s Averages

12sec-averaged ephemeris data for the ACE spacecraft, Earth, and Jupiter. Also included are the orientation of the ACE spin-axis, and a rotation matrix for...本数据集包含ACE航天器、地球及木星的12秒平均星历数据，同时涵盖ACE自旋轴的方位信息，以及用于……的旋转矩阵。