Welcome to the Polar Operational Environmental Satellites (POES) spacecraft status page. This site provides up to date status information on each spacecraft and its various subsystems.
Below are the color designations for each satellite status:
Meaning
Operational
Operational with Limitation
Operational with Degradation
Non-Operational
Functional (Off)
Status
Green
Yellow
Orange
Red
Blue
| Spacecraft | Operational Status | Status |
|---|---|---|
| NOAA-11, -12, -14, -16, -17 | Decommissioned | RED |
| NOAA-15 | AM Secondary | GREEN |
| NOAA-18 | PM Secondary | GREEN |
| NOAA-19 | PM Prime Services Mission | GREEN |
NOTE: All LTAN values are valid as of January 04, 2024.
NOAA-15 Spacecraft Status Summary
| Spacecraft Letter: K | International Designation: 1998 030A |
| Catalog Number: 25338 | Launch Date: 05/13/1998 |
| Operational Date: 12/15/1998 | Operational Status: AM Secondary |
| GAC: Yes | HRPT: Yes STX-2/MSB 1702.5 MHz |
| LAC: No | APT: Yes VTX-2 137.62 MHz |
| LTAN: 19:23 | Inclination Angle: 98.50 deg |
| Altitude: 807km | Precession Rate: 1.05 (min/month) |
| Period: 101.1 (minutes) |
Note: On Sep 15, 2018 (18/258) at 0353 UTC, the NOAA-15 AVHRR 3A/3B switching was activated to support snow and ice detection over the Alaska region and will remain in that mode until May 14, 2019 (19/134).
Spacecraft Subsystem Status:
| Subsystem | Description | Status |
|---|---|---|
| ADACS | Attitude Determination and Control System | ORANGE |
| AMSU-A1 | Advanced Microwave Sounding Unit -A1 | YELLOW |
| AMSU-A2 | Advanced Microwave Sounding Unit -A2 | GREEN |
| AMSU-B | Advanced Microwave Sounding Unit -B | RED |
| APT/LRPT | Automatic Picture Transmission / Low Rate Picture Transmission | GREEN |
| AVHRR | Advanced Very High Resolution Radiometer | YELLOW |
| CCS | Command and Control System | GREEN |
| COMM | Communications System | YELLOW |
| DCS | Data Collection System | GREEN |
| EPS | Electrical Power System | GREEN |
| HIRS | High Resolution Infrared Radiation Sounder | YELLOW |
| SARP | Search and Rescue Processor | YELLOW |
| SARR | Search and Rescue Repeater | YELLOW |
| SEM | Space Environment Monitor | GREEN |
| TCC | Telemetry, Command, & Control | GREEN |
| THERM | Thermal Control System | YELLOW |
* = Spacecraft Issue but No User Impact
** = Investigating Performance Issue which will Impact Users
NOAA-18 Spacecraft Status Summary
| Spacecraft Letter: N | International Designation: 2005018A |
| Catalog Number: 28654 | Launch Date: 05/20/2005 |
| Operational Date: 8/30/2005 | Operational Status: PM Secondary |
| GAC: Yes | HRPT: Yes STX-3/HSB 1707.0 MHz |
| LAC: No | APT: Yes VTX-2 137.9125 MHz |
| LTAN: 22:38 | Inclination Angle: 98.74 deg |
| Altitude: 854km | Precession Rate: 3.52 (min/month) |
| Period: 102.12 (minutes) |
Note: All NOAA-18 MIMU laser gyros have failed; operating RGYRO GYE mode since August 9, 2017 (17/229). Estimated yaw errors ± 0.5 degrees. AVHRR imagery at scan edges will show geolocation errors but usable.
Spacecraft Subsystem Status:
| Subsystem | Description | Status |
|---|---|---|
| ADACS | Attitude Determination and Control System | YELLOW |
| AMSU-A1 | Advanced Microwave Sounding Unit -A1 | GREEN ** |
| AMSU-A2 | Advanced Microwave Sounding Unit -A2 | GREEN |
| APT/LRPT | Automatic Picture Transmission / Low Rate Picture Transmission | GREEN |
| AVHRR | Advanced Very High Resolution Radiometer | GREEN |
| COMM | Communications | GREEN |
| DCS | Data Collection System | GREEN |
| EPS | Electrical Power System | GREEN |
| HIRS | High Resolution Infrared Radiation Sounder | RED |
| MHS | Microwave Humidity Sounder | RED |
| SARP | Search and Rescue Processor | GREEN |
| SARR | Search and Rescue Repeater | GREEN |
| SBUV | Solar Backscatter Ultraviolet Radiometer | RED |
| SEM | Space Environment Monitor | YELLOW |
| TCC | Telemetry, Command & Control | GREEN |
| THERM | Thermal Control System | GREEN |
* = Spacecraft Issue but No User Impact
** = Investigating Performance Issue which will Impact Users
NOAA-19 Spacecraft Status Summary
| Spacecraft Letter: N-PRIME | International Designation: 2009-005-A |
| Catalog Number: 33591 | Launch Date: 02/06/2009 |
| Operational Date: 6/2/2009 | Operational Status: PM Prime Services Mission |
| GAC: Yes | HRPT: Yes STX-1/LSB 1698.0 MHz |
| LAC: No | APT: Yes VTX-1 137.1 MHz |
| LTAN: 21:06 | Inclination Angle: 98.70 deg |
| Altitude: 870km | Precession Rate: 0.77 (min/month) |
| Period: 102.14 (minutes) |
Note: On 1 May 2014 SNPP becomes the NOAA Prime Polar Orbiter PM s/c and NOAA-19 becomes the Prime NOAA Services Mission PM s/c. GAC/L1B/LAC/HRPT data services from NOAA-19 will remain at existing levels.
Spacecraft Subsystem Status:
| Subsystem | Description | Status |
|---|---|---|
| ADCS | Advanced Data Collection System | YELLOW |
| ADACS | Attitude Determination and Control System | GREEN |
| AMSU-A1 | Advanced Microwave Sounding Unit -A1 | GREEN |
| AMSU-A2 | Advanced Microwave Sounding Unit -A2 | GREEN |
| APT/LRPT | Automatic Picture Transmission / Low Rate Picture Transmission | GREEN |
| AVHRR | Advanced Very High Resolution Radiometer | GREEN |
| COMM | Communications | GREEN |
| EPS | Electrical Power System | GREEN |
| HIRS | High Resolution Infrared Radiation Sounder | ORANGE |
| MHS | Microwave Humidity Sounder | YELLOW |
| SARP | Search and Rescue Processor | GREEN |
| SARR | Search and Rescue Repeater | GREEN |
| SBUV | Solar Backscatter Ultraviolet Radiometer | GREEN * |
| SEM | Space Environment Monitor | YELLOW |
| TCC | Telemetry, Command, & Control | GREEN |
| THERM | Thermal Control System | GREEN |
* = Spacecraft Issue but No User Impact
** = Investigating Performance Issue which will Impact Users
