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
31 Jan 2020
Mission Links
EOL Date
01 Jan 2027
Orbit Type
Sun-synchronous
Orbit Period
101 minutes
Orbit Sense
Ascending
Orbit Inclination
98.75 deg
Orbit Altitude
833 km
Orbit Longitude
Orbit LST
21:30
Repeat Cycle
NORAD Catalog #
International Designator
A-DCS4 - A-DCS4 |
SARSAT - Search and Rescue Satellite Aided Tracking |
| VIIRS - Visible/Infrared Imager Radiometer Suite |
| Category | Parameter | Instrument(s) |
| Atmosphere | Aerosols | VIIRS |
| Atmospheric Winds | VIIRS |
| Cloud type, amount and cloud top temperature | VIIRS |
| Cloud particle properties and profile | VIIRS |
| Radiation budget | VIIRS |
| Atmospheric Temperature Fields | VIIRS |
| Land | Albedo and reflectance | VIIRS |
| Soil moisture | VIIRS |
| Vegetation | VIIRS |
| Surface temperature (land) | VIIRS |
| Multi-purpose imagery (land) | VIIRS |
| Ocean | Ocean colour/biology | VIIRS |
| Surface temperature (ocean) | VIIRS |
| Multi-purpose imagery (ocean) | VIIRS |
| Snow & Ice | Snow cover, edge and depth | VIIRS |
| Sea ice cover, edge and thickness | VIIRS |
No IDN OpenSearch datasets found.