Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 8 26.  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   ( -74.51,  41.72) 09/03/2023   20:21:45  ( -74.49,  40.86)   25.80                73
 09/03/2023   21:13:47   (  74.66,-151.37) 09/03/2023   21:12:34  (  74.68,-151.32)    2.44                73
 09/03/2023   22:04:31   ( -74.66,  15.95) 09/03/2023   22:03:40  ( -74.67,  15.89)    2.31                51
 09/03/2023   22:55:17   (  74.66,-176.75) 09/03/2023   22:54:33  (  74.67,-176.83)    2.27                44
 09/03/2023   23:46:02   ( -74.71,  -9.56) 09/03/2023   23:45:38  ( -74.71,  -9.49)    2.17                24
 09/04/2023   00:36:48   (  74.72, 157.73) 09/04/2023   00:36:31  (  74.71, 157.80)    2.06                17
 09/04/2023   01:27:32   ( -74.71, -34.95) 09/04/2023   01:27:37  ( -74.70, -35.00)    1.82                 5
 09/04/2023   02:18:18   (  74.72, 132.35) 09/04/2023   02:18:30  (  74.71, 132.29)    2.26                12
 09/04/2023   03:09:03   ( -74.76, -60.46) 09/04/2023   03:09:35  ( -74.75, -60.37)    3.37                32
 09/04/2023   03:59:48   (  74.72, 106.96) 09/04/2023   04:00:28  (  74.75, 106.91)    3.03                40
 09/04/2023   04:50:33   ( -74.77, -85.84) 09/04/2023   04:51:34  ( -74.74, -85.88)    3.35                61
 09/04/2023   05:41:19   (  74.77,  81.45) 09/04/2023   05:42:26  (  74.79,  81.54)    3.15                67
 09/04/2023   06:32:15   ( -75.34,-112.88) 09/04/2023   06:33:21  ( -75.29,-109.70)   89.85                66