BackForward Satellite: NOAA-20 

Satellite details
Acronym NOAA-20
Full name National Oceanic and Atmospheric Administration - 20
Satellite Description
  • 1st flight unit of the JPSS programme, re-named NOAA-20 after the launch.
  • Main mission: operational meteorology.
  • Substantial contribution to atmospheric chemistry, climatology and space weather.
Mass at launch 2540 kg Dry mass
Power 1932 W
Data access link
Data access information
  • Real-time availability of ATMS, CERES, CrIS, OMPS-nadir, VIIRS and SEM-N (EPS+HES+SSJ5) by HRD Direct Broadcast in X-band.
  • Data available from NOAA CLASS 
Orbit Sunsynchronous orbit Altitude 834 km
ECT 13:25 asc


Space agency NOAANASA
Status Operational
Details on Status
(as available)
Launch 18 Nov 2017 EOL ≥2024
Last update: 2020-06-24
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on NOAA-20

Acronym Full name
ATMS Advanced Technology Microwave Sounder
CrIS Cross-track Infrared Sounder
OMPS-nadir Ozone Mapping and Profiler Suite
VIIRS Visible/Infrared Imager Radiometer Suite
CERES Clouds and the Earth’s Radiant Energy System
Show instrument status and calibration
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
SMD S-E 26703.4 MHz 300MG7D 300000  kHz RHCP D   Stored Mission Data
SMD S-E 7812 MHz 150MG7D 150000  kHz RHCP D   Stored Mission Data
HRD S-E 7812 MHz 32M0G7D 32000  kHz RHCP D   Real-time High Rate Data
TDRSS S-S 2067.27 MHz 6M16G7DDC 6000  kHz RHCP D   Transmission to TDRSS
TDRSS S-S 2247.5 MHz 6M16G7D 6000  kHz RHCP D   Return from TDRSS
Command E-S 2067.27 MHz 8K0G7DDT 8  kHz RHCP D   Commands
Command E-S 2067.27 MHz 512KG7D 512  kHz RHCP D   Commands (memory load)
TT & C S-E 2247.5 MHz 4M55G7D 4000  kHz RHCP D   Telemetry and commands
TT & C S-E 2247.5 MHz 6M04G7DDC 6000  kHz RHCP D   Telemetry and commands
GPS S-S 1227.6 MHz 24M0G1D 24000  kHz RHCP D   GPS reception at JPSS
GPS S-S 1575.42 MHz 24M0G1D 24000  kHz RHCP D   GPS reception at JPSS
ATMS passive 23800 MHz 270000  kHz QV A   Water vapour channel
ATMS passive 31400 MHz 180000  kHz QV A   Window channel
ATMS passive 50299 - 57660 MHz N/R  kHz QH A   Oxygen band, 13 channels
ATMS passive 89500 MHz 5000000  kHz QV A   Window channel
ATMS passive 165500 MHz 3000000  kHz QH A   Weak water vapour channel
ATMS passive 175310 - 191310 MHz N/R  kHz QH A   Water vapour band, 5 channels