VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat. Lon. Grid Night NRT

The first of two Visible Infrared Imager Radiometer Suite (VIIRS) Day Night Band (DNB) based Near Real Time (NRT) datasets is a daily, top-of-atmosphere, at-sensor nighttime radiance product called VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night. Known by its short-name, VNP46A1_NRT, this product contains 26 Science Data Sets (SDS) that include sensor radiance, zenith and azimuth angles (at-sensor, solar, and lunar), cloud-mask flags, time, shortwave IR radiance, brightness temperatures, VIIRS quality flags, moon phase angle, and moon illumination fraction. It also provides Quality Flag (QF) information specific to the cloud-mask, VIIRS moderate-resolution bands M10, M11, M12, M13, M15, M16, and DNB.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated April 6, 2026, 22:10 (UTC)
Created April 1, 2025, 19:57 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id ba212985-5d8c-4ef1-a435-ee464f7b2920
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/VIIRS/VNP46A1_NRT.002
license https://www.usa.gov/government-works
modified 2026-03-30T22:16:02Z
programCode {026:000}
publisher NASA/GSFC/EOS/ESDIS/LANCE MODIS
resource-type Dataset
source_datajson_identifier true
source_hash ec917b8e56933348d3ef1a1a983fcd2c881b365803a5c20d12c1b63612f8b50f
source_schema_version 1.1
spatial ["CARTESIAN",[{"NorthBoundingCoordinate":90,"WestBoundingCoordinate":-180,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90}]]
temporal 2023-10-10/2026-03-30
theme {"Earth Science"}