Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 9 23.  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, 108.38) 10/03/2023   15:55:19  ( -74.51, 108.38)    3.53                75
 10/03/2023   16:47:20   (  74.49, -84.35) 10/03/2023   16:46:16  (  74.50, -84.37)    1.66                64
 10/03/2023   17:38:05   ( -74.53,  82.86) 10/03/2023   17:37:18  ( -74.50,  82.86)    3.67                47
 10/03/2023   18:28:51   (  74.54,-109.86) 10/03/2023   18:28:14  (  74.54,-109.76)    3.23                37
 10/03/2023   19:19:34   ( -74.54,  57.47) 10/03/2023   19:19:15  ( -74.53,  57.47)    0.24                19
 10/03/2023   20:10:20   (  74.55,-135.26) 10/03/2023   20:10:12  (  74.53,-135.28)    2.23                 8
 10/03/2023   21:01:04   ( -74.54,  32.08) 10/03/2023   21:01:13  ( -74.57,  32.08)    3.23                 9
 10/03/2023   21:51:50   (  74.56,-160.65) 10/03/2023   21:52:10  (  74.57,-160.66)    1.45                20
 10/03/2023   22:42:35   ( -74.60,   6.56) 10/03/2023   22:43:12  ( -74.56,   6.56)    3.96                37
 10/03/2023   23:33:21   (  74.61, 173.83) 10/03/2023   23:34:08  (  74.61, 173.95)    3.58                47
 10/04/2023   00:24:05   ( -74.60, -18.83) 10/04/2023   00:25:10  ( -74.60, -18.83)    0.55                65
 10/04/2023   01:14:52   (  74.66, 148.31) 10/04/2023   01:16:06  (  74.64, 148.57)    7.93                74