2.2.2 spase://VSPO/NumericalData/Papitashvili/IP/IWAG/PT3600.00S ACE Wind Genesis IMP 8 Impact Parameters 2012-04-11T10:42:31 ACE Wind Genesis IMP 8 - Earth impact parameters (IP). IP is the minimal distance by which a plasma element seen at one body misses being seen by a second body. Cf. http://ftpbrowser.gsfc.nasa.gov/impact_des.html spase://SMWG/Person/Natalia.E.Papitashvili GeneralContact spase://VSPO/NumericalData/P_IMPPARAMS_HDR_IWAG spase://SMWG/Repository/NASA/GSFC/SPDF Online Open FTPBrowser http://ftpbrowser.gsfc.nasa.gov/impact_iwag.html hourly and daily values via ftp from NSSDC ftp://nssdcftp.gsfc.nasa.gov/miscellaneous/orbits/impact_parameters/imp_wind_ace_genesis/ Text Ephemeris 1994-11-16T00:00:00 -P1M Data are periodically updated. As of mid-January, 2006, data ran to the end of 2005. PT3600.00S Heliosphere.NearEarth