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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Small Main-Belt Asteroid Spectroscopic Survey, Phase II V1.0

    Metadata Updated: February 22, 2025

    This data set contains visible-wavelength (0.435-0.925 micron) spectra for 1341 main-belt asteroids observed during the second phase of the Small Main-belt Asteroid Spectroscopic Survey (SMASSII) between August 1993 and March 1999. The purpose of the SMASSII survey was to provide a new basis for studying the compositional diversity and structure of the asteroid belt. Based on experiences gained from the earlier SMASS survey, SMASSII focused on producing an even larger, internally consistent set of CCD spectra for small (D < 20 km) main-belt asteroids. The observing strategies and procedures used during SMASSII roughly parallel those used in the first survey (Xu et al. Icarus 115 1-35, 1995), though several minor changes were made in instrumentation and in portions of the data reduction process.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: us-pd

    Downloads & Resources

    References

    https://pds.nasa.gov

    Dates

    Metadata Created Date February 22, 2025
    Metadata Updated Date February 22, 2025
    Data Update Frequency irregular

    Metadata Source

    Harvested from nasa test json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 22, 2025
    Metadata Updated Date February 22, 2025
    Publisher National Aeronautics and Space Administration
    Maintainer
    Identifier urn:nasa:pds:gbo.ast.smass2.spectra
    Data First Published 2021-05-21
    Data Last Modified 2025-02-19
    Category Earth Science
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 026:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 440f5986-bcf2-45fe-b834-c6050be636fa
    Harvest Source Id a73e0c30-4684-40ef-908e-d22e9e9e5f86
    Harvest Source Title nasa test json
    Homepage URL https://pds.nasa.gov/ds-view/pds/viewBundle.jsp?identifier=urn%3Anasa%3Apds%3Agbo.ast.smass2.spectra&version=1.0
    License http://www.usa.gov/publicdomain/label/1.0/
    Program Code 026:005
    Related Documents https://pds.nasa.gov
    Source Datajson Identifier True
    Source Hash 1582220eb7cfffb4c2a0f2360e003d4a04666a336c9a5c1a8469bd05540c4375
    Source Schema Version 1.1

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