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    • OPTICAL TRANSIENT DETECTOR (OTD) LIGHTNING V1

    Metadata Updated: April 9, 2026

    The Optical Transient Detector (OTD) records optical measurements of global lightning events in the daytime and nighttime. The data includes individual point (lightning) data, satellite metadata, and several derived products. The OTD was launched on 3 April 1995 aboard the Microlab-1 satellite into a near polar orbit with an inclination of 70 degrees with respect to the equator, at an altitude of 740 km.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    Dates

    Metadata Created Date April 11, 2025
    Metadata Updated Date April 9, 2026

    Metadata Source

    Harvested from NASA Data.json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 11, 2025
    Metadata Updated Date April 9, 2026
    Publisher NASA/MSFC/GHRC
    Maintainer
    Identifier 10.5067/LIS/OTD/DATA101
    Data Last Modified 2026-04-06
    Category Earth Science
    Public Access Level public
    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 97ff0973-5d4b-40cb-a2b2-65c7810d9553
    Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
    Harvest Source Title NASA Data.json
    License https://www.usa.gov/government-works
    Old Spatial "CARTESIAN",{"WestBoundingCoordinate":-180,"NorthBoundingCoordinate":70,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-70}
    Program Code 026:000
    Source Datajson Identifier True
    Source Hash fa859ad02de3fb032d068f3684ab347de08ad0368f921d6f63d00ad3dbfdb65d
    Source Schema Version 1.1
    Spatial
    Temporal 1995-04-13/2000-03-23

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