Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 8 22.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2023   20:22:58   ( -74.52,  41.71) 09/03/2023   20:21:45  ( -74.48,  40.84)   26.21                73
 09/03/2023   21:13:47   (  74.67,-151.40) 09/03/2023   21:12:34  (  74.67,-151.35)    1.65                73
 09/03/2023   22:04:31   ( -74.66,  15.94) 09/03/2023   22:03:40  ( -74.66,  15.86)    2.19                51
 09/03/2023   22:55:17   (  74.68,-176.78) 09/03/2023   22:54:33  (  74.66,-176.86)    2.81                44
 09/03/2023   23:46:02   ( -74.72,  -9.58) 09/03/2023   23:45:38  ( -74.70,  -9.51)    2.50                24
 09/04/2023   00:36:47   (  74.68, 157.83) 09/04/2023   00:36:31  (  74.70, 157.77)    3.13                16
 09/04/2023   01:27:32   ( -74.72, -34.96) 09/04/2023   01:27:37  ( -74.70, -35.02)    3.12                 5
 09/04/2023   02:18:18   (  74.73, 132.32) 09/04/2023   02:18:29  (  74.74, 132.39)    2.54                11
 09/04/2023   03:09:02   ( -74.72, -60.35) 09/04/2023   03:09:35  ( -74.74, -60.40)    2.16                33
 09/04/2023   03:59:48   (  74.73, 106.93) 09/04/2023   04:00:28  (  74.74, 106.88)    1.52                40
 09/04/2023   04:50:33   ( -74.77, -85.86) 09/04/2023   04:51:33  ( -74.78, -85.77)    2.72                60
 09/04/2023   05:41:19   (  74.79,  81.42) 09/04/2023   05:42:26  (  74.78,  81.51)    2.87                67
 09/04/2023   06:32:15   ( -75.35,-112.89) 09/04/2023   06:33:21  ( -75.28,-109.72)   89.76                66