@misc{Gold_Roelof_Krimigis_Haggerty_Armstrong_Manweiler_Patterson_2022, title={ACE Electron Proton Alpha Monitor (EPAM) Ephemeris Data, Hourly Averages}, url={https://spase-metadata.org/NASA/NumericalData/ACE/EPAM/Ephemeris/PT1H}, DOI={10.48322/BS7X-2T71}, abstractNote={Hourly-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 transforming from HEE cartisian coordinates to RTN coordinates.}, publisher={Space Physics Data Facility}, author={Gold, R. E. and Roelof, E. C. and Krimigis, S. and Haggerty, D. and Armstrong, T. and Manweiler, J. W. and Patterson, J. D.}, year={2022}, language={en} }