CEOS EO HANDBOOK – MISSION SUMMARY - NPOESS-6 -
Full Name National Polar-orbiting Operational Environmental Satellite System - 4 Status Cancelled
Mission Agencies NOAA Launch Date 09 May 2019
Mission Links mission site EOL Date 01 May 2024
EO Portal Info NORAD Catalog #
International Designator
Orbit Type Sun-synchronous Orbit Period 101 minutes
Orbit Sense Ascending Orbit Inclination 98.75 deg
Orbit Altitude 833 km Orbit Longitude
Orbit LST 17:30 Repeat Cycle
Objectives and Applications Meteorological, climatic, terrestrial, oceanographic, and solar-geophysical applications; global and regional environmental monitoring, search and rescue, data collection.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAerosols VIIRS
Atmospheric Humidity Fields CMIS
Atmospheric Winds VIIRS
Cloud type, amount and cloud top temperature VIIRS
Cloud particle properties and profile CMIS, VIIRS
Liquid water and precipitation rate CMIS
Radiation budget TSIS-1/SIM, VIIRS
Atmospheric Temperature Fields CMIS, VIIRS
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements SESS
LandAlbedo and reflectance VIIRS
Soil moisture CMIS, VIIRS
Vegetation VIIRS
Surface temperature (land) CMIS, VIIRS
Multi-purpose imagery (land) VIIRS
OceanOcean colour/biology VIIRS
Ocean surface winds CMIS
Surface temperature (ocean) CMIS, VIIRS
Multi-purpose imagery (ocean) VIIRS
Snow & IceSnow cover, edge and depth CMIS, VIIRS
Sea ice cover, edge and thickness CMIS, VIIRS
Mission Instruments
A-DCS4 - A-DCS4
CMIS - Conical-scanning Microwave Imager/Sounder
S&R (NOAA) - Search and Rescue Satellite Aided Tracking
SARSAT - Search and Rescue Satellite Aided Tracking
SESS - Space Environmental Sensor Suite
TSIS-1/SIM - Total Solar and Spectral Irradiance Sensor 1 - Spectral Irradiance Monitor
VIIRS - Visible/Infrared Imager Radiometer Suite
OpenSearch Datasets No IDN OpenSearch datasets found.

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