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Metadata Updated: December 7, 2023

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: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources


Metadata Created Date December 1, 2022
Metadata Updated Date December 7, 2023

Metadata Source

Harvested from NASA Data.json

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Additional Metadata

Resource Type Dataset
Metadata Created Date December 1, 2022
Metadata Updated Date December 7, 2023
Identifier C1979889849-GHRC_DAAC
Data First Published 1996-11-15
Language en-US
Data Last Modified 2022-04-28
Category LIS, geospatial
Public Access Level public
Bureau Code 026:00
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Citation Blakeslee, Richard J..1996. OPTICAL TRANSIENT DETECTOR (OTD) LIGHTNING indicate subset used. Dataset available online from the NASA Global Hydrometeorology Resource Center DAAC, Huntsville, Alabama, U.S.A. DOI:
Graphic Preview Description N/A
Graphic Preview File
Harvest Object Id 3ed6efb6-875d-4c89-a386-faf087564206
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL
Metadata Type geospatial
Old Spatial -180.0 -70.0 180.0 70.0
Program Code 026:001
Source Datajson Identifier True
Source Hash 3c1578e6b90e8083be48e0c47bb92964ddef3b30fb0011886116f014a98ff9a3
Source Schema Version 1.1
Temporal 1995-04-13T01:37:27Z/2000-03-23T19:17:37Z

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