Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 9 24.  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   ( -74.48, 108.37) 10/03/2023   15:55:20  ( -74.47, 108.27)    3.15                74
 10/03/2023   16:47:20   (  74.49, -84.35) 10/03/2023   16:46:16  (  74.51, -84.35)    2.22                64
 10/03/2023   17:38:05   ( -74.53,  82.85) 10/03/2023   17:37:18  ( -74.51,  82.88)    3.29                47
 10/03/2023   18:28:50   (  74.50,-109.74) 10/03/2023   18:28:15  (  74.50,-109.87)    3.65                35
 10/03/2023   19:19:35   ( -74.54,  57.46) 10/03/2023   19:19:16  ( -74.54,  57.49)    1.11                19
 10/03/2023   20:10:21   (  74.55,-135.26) 10/03/2023   20:10:13  (  74.54,-135.25)    1.39                 8
 10/03/2023   21:01:05   ( -74.55,  32.07) 10/03/2023   21:01:15  ( -74.53,  31.97)    3.16                10
 10/03/2023   21:51:51   (  74.56,-160.65) 10/03/2023   21:52:11  (  74.58,-160.64)    2.28                20
 10/03/2023   22:42:35   ( -74.55,   6.68) 10/03/2023   22:43:13  ( -74.57,   6.59)    3.41                38
 10/03/2023   23:33:21   (  74.56, 173.96) 10/03/2023   23:34:10  (  74.57, 173.85)    3.31                49
 10/04/2023   00:24:06   ( -74.61, -18.84) 10/04/2023   00:25:11  ( -74.61, -18.80)    1.22                65
 10/04/2023   01:14:53   (  74.67, 148.30) 10/04/2023   01:16:07  (  74.65, 148.60)    8.71                74