{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Thomas Morgan", "hasEmail": "mailto:thomas.h.morgan@nasa.gov"}, "description": "This data set contains asteroid          dynamical family memberships for 122 families calculated from          synthetic proper elements, including high-inclination families.  These families were calculated by David Nesvorny (Nesvorny et al. 2015)      using his code based on the Hierarchical Clustering Method (HCM)       described in Zappala et al. (1990, 1994).  The input synthetic proper  elements for 384,337 numbered asteroids were calculated by Knezevic    and Milani.", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.ear-a-vargbdet-5-nesvornyfam-v3.0_ughp-id55", "issued": "2018-06-26", "keyword": ["asteroid", "support-archives"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=EAR-A-VARGBDET-5-NESVORNYFAM-V3.0", "modified": "2025-07-17", "programCode": ["026:005"], "publisher": {"@type": "org:Organization", "name": "National Aeronautics and Space Administration"}, "references": ["https://pds.nasa.gov"], "theme": ["Earth Science"], "title": "NESVORNY HCM ASTEROID FAMILIES V3.0"}