METORB 10 - METORB is an Excel spreadsheet to calculate meteor orbits from supplied radiant and speed information. In order to work with it, you will also need Planeph or similar software to calculate heliocentric X Y Z positions and speeds of the Earth.
http://software.langbroek.org/https://drla.stackstorage.com/s/xv3FruEDnytqpJG/en_US