Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 6 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)
 07/06/2023   12:53:05   (  74.40, -25.44) 07/06/2023   12:52:00  (  74.39, -28.72)   97.98                65
 07/06/2023   13:43:59   ( -74.86, 140.62) 07/06/2023   13:42:46  ( -74.83, 139.81)   24.03                73
 07/06/2023   14:34:47   (  74.98, -52.41) 07/06/2023   14:33:46  (  75.01, -52.43)    2.45                61
 07/06/2023   15:25:32   ( -75.01, 114.82) 07/06/2023   15:24:41  ( -75.02, 114.87)    1.50                51
 07/06/2023   16:16:17   (  74.99, -77.81) 07/06/2023   16:15:45  (  75.01, -77.92)    3.69                32
 07/06/2023   17:07:02   ( -75.02,  89.43) 07/06/2023   17:06:40  ( -75.02,  89.38)    1.43                22
 07/06/2023   17:57:48   (  75.05,-103.34) 07/06/2023   17:57:43  (  75.05,-103.27)    2.04                 5
 07/06/2023   18:48:33   ( -75.07,  63.90) 07/06/2023   18:48:38  ( -75.06,  64.03)    3.92                 5
 07/06/2023   19:39:18   (  75.05,-128.73) 07/06/2023   19:39:42  (  75.05,-128.77)    0.91                24
 07/06/2023   20:30:03   ( -75.08,  38.50) 07/06/2023   20:30:37  ( -75.06,  38.54)    2.05                34
 07/06/2023   21:20:48   (  75.06,-154.13) 07/06/2023   21:21:41  (  75.05,-154.26)    3.80                53
 07/06/2023   22:11:33   ( -75.09,  13.11) 07/06/2023   22:12:36  ( -75.06,  13.04)    3.15                63
 07/06/2023   23:02:24   (  75.35, 179.63) 07/06/2023   23:03:35  (  75.28,-179.03)   38.53                71