Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 8 27.  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   20:22:59   ( -74.52,  41.69) 09/03/2023   20:21:46  ( -74.47,  40.82)   26.32                73
 09/03/2023   21:13:48   (  74.67,-151.41) 09/03/2023   21:12:35  (  74.66,-151.35)    1.81                73
 09/03/2023   22:04:32   ( -74.67,  15.92) 09/03/2023   22:03:41  ( -74.66,  15.85)    2.69                51
 09/03/2023   22:55:18   (  74.68,-176.79) 09/03/2023   22:54:34  (  74.66,-176.86)    3.03                44
 09/03/2023   23:46:02   ( -74.68,  -9.47) 09/03/2023   23:45:39  ( -74.70,  -9.53)    2.95                23
 09/04/2023   00:36:48   (  74.68, 157.83) 09/04/2023   00:36:32  (  74.70, 157.76)    2.90                16
 09/04/2023   01:27:33   ( -74.73, -34.98) 09/04/2023   01:27:37  ( -74.74, -34.90)    2.70                 4
 09/04/2023   02:18:19   (  74.73, 132.31) 09/04/2023   02:18:30  (  74.74, 132.39)    2.40                11
 09/04/2023   03:09:03   ( -74.73, -60.37) 09/04/2023   03:09:36  ( -74.73, -60.41)    1.32                33
 09/04/2023   03:59:49   (  74.74, 106.93) 09/04/2023   04:00:29  (  74.73, 106.88)    1.52                40
 09/04/2023   04:50:33   ( -74.78, -85.88) 09/04/2023   04:51:33  ( -74.77, -85.78)    3.01                60
 09/04/2023   05:41:19   (  74.79,  81.41) 09/04/2023   05:42:26  (  74.78,  81.50)    2.97                67
 09/04/2023   06:32:15   ( -75.36,-112.92) 09/04/2023   06:33:21  ( -75.28,-109.74)   90.04                66