Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 9 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)
 10/03/2023   15:56:34   ( -74.49, 108.34) 10/03/2023   15:55:19  ( -74.50, 108.37)    1.53                75
 10/03/2023   16:47:20   (  74.50, -84.39) 10/03/2023   16:46:16  (  74.50, -84.39)    0.98                64
 10/03/2023   17:38:04   ( -74.50,  82.95) 10/03/2023   17:37:18  ( -74.49,  82.85)    3.06                46
 10/03/2023   18:28:50   (  74.51,-109.78) 10/03/2023   18:28:14  (  74.53,-109.77)    2.57                36
 10/03/2023   19:19:35   ( -74.55,  57.43) 10/03/2023   19:19:16  ( -74.53,  57.46)    2.59                19
 10/03/2023   20:10:20   (  74.52,-135.17) 10/03/2023   20:10:13  (  74.52,-135.29)    3.73                 7
 10/03/2023   21:01:05   ( -74.56,  32.04) 10/03/2023   21:01:14  ( -74.57,  32.07)    1.40                 9
 10/03/2023   21:51:51   (  74.57,-160.69) 10/03/2023   21:52:11  (  74.56,-160.68)    1.08                20
 10/03/2023   22:42:35   ( -74.56,   6.65) 10/03/2023   22:43:13  ( -74.56,   6.55)    3.02                38
 10/03/2023   23:33:21   (  74.58, 173.92) 10/03/2023   23:34:09  (  74.60, 173.94)    2.57                48
 10/04/2023   00:24:06   ( -74.62, -18.87) 10/04/2023   00:25:11  ( -74.59, -18.84)    2.86                65
 10/04/2023   01:14:53   (  74.68, 148.27) 10/04/2023   01:16:07  (  74.64, 148.55)    9.65                74