Objectives and Applications
Meteorological, climatic, terrestrial, oceanographic, and solar-geophysical applications; global and regional environmental monitoring, search and rescue, data collection.
Full Name
National Polar-orbiting Operational Environmental Satellite System - 4
Mission Status
Cancelled
Mission Agencies
Launch Date
09 May 2019
Mission Links
EOL Date
01 May 2024
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
NORAD Catalog #
International Designator
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 |
| Category | Parameter | Instrument(s) |
| Atmosphere | Aerosols | 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 Fields | Gravity, Magnetic and Geodynamic measurements | SESS |
| Land | Albedo and reflectance | VIIRS |
| Soil moisture | CMIS, VIIRS |
| Vegetation | VIIRS |
| Surface temperature (land) | CMIS, VIIRS |
| Multi-purpose imagery (land) | VIIRS |
| Ocean | Ocean colour/biology | VIIRS |
| Ocean surface winds | CMIS |
| Surface temperature (ocean) | CMIS, VIIRS |
| Multi-purpose imagery (ocean) | VIIRS |
| Snow & Ice | Snow cover, edge and depth | CMIS, VIIRS |
| Sea ice cover, edge and thickness | CMIS, VIIRS |
No IDN OpenSearch datasets found.