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*UPDATE #1* THIS NOAA-20 OVERYAW MANEUVER HAS BEEN CANCELLED.





*TOPIC:*  NOAA-20 OVERYAW MANEUVER (OYM) SCHEDULED FOR APRIL 22, 2024





*DATE/TIME ISSUED:* APRIL 22, 2024 1344Z





*PRODUCT(S) OR DATA IMPACTED:*  ALL NOAA-20 SENSOR DATA





*DATE/TIME OF INITIAL IMPACT:* APRIL 22, 2024 19:31:46





*DATE/TIME OF EXPECTED END:*  APRIL 22  , 2024 21:49:00





*LENGTH OF OUTAGE: * SEE DETAILS.





*DETAILS/SPECIFICS OF CHANGE: *ON APRIL 22, 2024   20:04:46Z





NOAA-20 WILL PERFORM A 12 SECOND PROPULSIVE OVERYAW MANEUVER (OYM) TO

RE-ESTABLISH MISSION ORBIT.







THE FOLLOWING OBSERVATORY SYSTEMS WILL BE AFFECTED ON APRIL 22, 2024:



19:31:46Z - 21:49:00Z  CERES WILL BE IN CONTAM-SAFE MODE, SCIENCE WILL NOT

BE AVAILABLE

19:41:46Z - 20:18:00Z  OMPS WILL BE IN DECON MODE, SCIENCE WILL NOT BE

AVAILABLE

19:46:46Z - 20:26:00Z  HRD WILL BE OFF, DATA FOR DIRECT BROADCAST USERS

WILL BE UNAVAILABLE

19:51:46Z - 20:04:58Z  N20 IN CONTROL FRAME 2 (OVERYAW MANEUVER (OYM))

DELTA-V CONTROL FRAME

19:51:46Z - 20:21:00Z  N20 POINTING OFF NADIR, COLLECTED DATA DURING THAT

TIME PERIOD MAY BE IMPACTED AND NOT DISSEMINATED







*CONTACT INFORMATION FOR FURTHER INFORMATION: *ESPC OPERATIONS AT

ESPCOPERATIONS@NOAA.GOV AT 301-817-3880





*WEB SITE(S) FOR APPLICABLE INFORMATION:* N/A





THIS MESSAGE WAS SENT TO ESPC.NOTIFICATION@NOAA.GOV.  YOU HAVE BEEN SENT

THIS AND OTHER NOTIFICATIONS BECAUSE YOU HAVE OPTED IN TO RECEIVE IT. IF

FOR ANY REASON, YOU WISH TO UNSUBSCRIBE, PLEASE CONTACT ESPC



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NOUS72 KNES 221349

ADMNES

SUBJECT: 



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NOUS72 KNES 221349

ADMNES

*TOPIC:* N20 OVERYAW MANEUVER (OYM) SCHEDULED FOR APRIL 22, 2024



*DATE/TIME ISSUED:* APRIL 22, 2024 1346Z



*PRODUCT(S) OR DATA IMPACTED:* ALL N20 SENSOR DATA



*DATE/TIME OF INITIAL IMPACT:* APRIL 22,2024 16:08:46



*DATE/TIME OF EXPECTED END:* APRIL 22,2024 18:26:00



*LENGTH OF OUTAGE:* SEE DETAILS.



*DETAILS/SPECIFICS OF CHANGE:* ON APRIL 22, 2024 16:41:46Z,



N20 WILL PERFORM A 12 SECOND PROPULSIVE OVERYAW MANEUVER (OYM) TO

RE-ESTABLISH MISSION ORBIT.



THE FOLLOWING OBSERVATORY SYSTEMS WILL BE AFFECTED ON APRIL 22, 2024:



16:08:46Z - 18:26:00Z CERES WILL BE IN CONTAM-SAFE MODE, SCIENCE WILL NOT

BE AVAILABLE



16:18:46Z - 16:55:00Z OMPS WILL BE IN DECON MODE, SCIENCE WILL NOT BE

AVAILABLE



16:23:46Z - 17:03:00Z HRD WILL BE OFF, DATA FOR DIRECT BROADCAST USERS WILL

BE UNAVAILABLE



16:28:46Z - 16:41:58Z N20 IN CONTROL FRAME 2 (OVERYAW MANEUVER (OYM))

DELTA-V CONTROL FRAME



16:28:46Z - 16:58:00Z N20 POINTING OFF NADIR, COLLECTED DATA DURING THAT

TIME PERIOD MAY BE IMPACTED AND NOT DISSEMINATED



*CONTACT INFORMATION FOR FURTHER INFORMATION:* ESPC OPERATIONS AT

ESPCOPERATIONS@NOAA.GOV AT 301-817-3880



*WEB SITE(S) FOR APPLICABLE INFORMATION:* N/A



THIS MESSAGE WAS SENT TO ESPC.NOTIFICATION@NOAA.GOV. YOU HAVE BEEN SENT

THIS AND OTHER

NOTIFICATIONS BECAUSE YOU HAVE OPTED IN TO RECEIVE IT. IF FOR ANY REASON,

YOU WISH TO

UNSUBSCRIBE, PLEASE CONTACT ESPC



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NOUS72 KNES 221350

ADMNES

SUBJECT: 



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