{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "NASA Space Physics Data Facility", "hasEmail": "mailto:NASA-SPDF-Support@nasa.onmicrosoft.com"}, "description": "ISEE 3 - 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", "distribution": [{"@type": "dcat:Distribution", "downloadURL": "https://omniweb.gsfc.nasa.gov/ftpbrowser/impact_ii.html", "format": "HTML", "mediaType": "text/html"}, {"@type": "dcat:Distribution", "downloadURL": "ftps://spdf.gsfc.nasa.gov/pub/data/aaa_special-purpose-datasets/aaa_impact_parameters/imp_isee3/", "format": "BIN", "mediaType": "application/octet-stream"}], "identifier": "/SDE/SPASE_JSON/|138823988795b162a08f9d1d04c2114b", "keyword": ["ephemeris"], "license": "https://www.usa.gov/government-works", "modified": "2026-04-06", "programCode": ["026:000"], "publisher": {"@type": "org:Organization", "name": "NASA Space Physics Data Facility (SPDF) Data Services"}, "theme": ["Heliophysics"], "title": "ISEE 3 - IMP 8 Impact Parameters"}