Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 9 21.  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   ( -74.47, 108.40) 10/03/2023   15:55:20  ( -74.48, 108.30)    3.19                74
 10/03/2023   16:47:20   (  74.48, -84.33) 10/03/2023   16:46:16  (  74.52, -84.33)    3.81                64
 10/03/2023   17:38:05   ( -74.52,  82.88) 10/03/2023   17:37:18  ( -74.51,  82.91)    1.24                47
 10/03/2023   18:28:51   (  74.54,-109.85) 10/03/2023   18:28:15  (  74.51,-109.85)    3.30                36
 10/03/2023   19:19:35   ( -74.53,  57.49) 10/03/2023   19:19:16  ( -74.55,  57.52)    2.71                19
 10/03/2023   20:10:21   (  74.54,-135.24) 10/03/2023   20:10:13  (  74.55,-135.23)    0.37                 8
 10/03/2023   21:01:05   ( -74.53,  32.10) 10/03/2023   21:01:15  ( -74.54,  32.00)    3.07                10
 10/03/2023   21:51:51   (  74.55,-160.63) 10/03/2023   21:52:12  (  74.54,-160.75)    3.82                21
 10/03/2023   22:42:36   ( -74.59,   6.58) 10/03/2023   22:43:13  ( -74.58,   6.61)    1.46                37
 10/03/2023   23:33:22   (  74.60, 173.85) 10/03/2023   23:34:10  (  74.57, 173.86)    3.32                48
 10/04/2023   00:24:05   ( -74.59, -18.81) 10/04/2023   00:25:10  ( -74.62, -18.78)    2.58                65
 10/04/2023   01:14:53   (  74.71, 148.20) 10/04/2023   01:16:06  (  74.66, 148.61)   13.40                73