{"@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": "The Small Main-belt Asteroid Spectrographic Survey (SMASS) was initiated in 1990 with the goal of obtaining spectra over the visual wavelength region for a substantial number of small (D < 20 km) main-belt asteroids. Observations were primarily made using the 2.4 m Hiltner telescope, located at the Michigan-Dartmouth-MIT (MDM) Observatory on the southwest ridge of Kitt Peak in Arizona.", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.ear-a-m3spec-3-rdr-smass-v1.0_w5n7-3bkt", "issued": "2021-05-21", "keyword": ["asteroid", "support-archives"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=EAR-A-M3SPEC-3-RDR-SMASS-V1.0", "license": "http://www.usa.gov/publicdomain/label/1.0/", "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": "SMASS ASTEROID SURVEY V1.0"}