Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 5.  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)
 03/10/2023   20:43:53   ( -75.30,  34.66) 03/10/2023   20:42:43  ( -75.28,  32.64)   57.07                70
 03/10/2023   21:34:45   (  75.60,-158.96) 03/10/2023   21:33:39  (  75.62,-159.02)    2.68                66
 03/10/2023   22:25:30   ( -75.63,   8.25) 03/10/2023   22:24:35  ( -75.62,   8.24)    1.89                55
 03/10/2023   23:16:16   (  75.65, 175.50) 03/10/2023   23:15:38  (  75.63, 175.53)    2.41                38
 03/11/2023   00:07:00   ( -75.64, -17.14) 03/11/2023   00:06:34  ( -75.63, -17.20)    1.79                26
 03/11/2023   00:57:46   (  75.66, 150.10) 03/11/2023   00:57:37  (  75.65, 150.09)    1.26                 9
 03/11/2023   01:48:30   ( -75.65, -42.54) 03/11/2023   01:48:33  ( -75.65, -42.64)    2.90                 3
 03/11/2023   02:39:16   (  75.67, 124.71) 03/11/2023   02:39:36  (  75.66, 124.65)    1.70                20
 03/11/2023   03:30:01   ( -75.70, -68.08) 03/11/2023   03:30:32  ( -75.66, -68.08)    3.93                31
 03/11/2023   04:20:46   (  75.67,  99.31) 03/11/2023   04:21:35  (  75.68,  99.21)    3.11                49
 03/11/2023   05:11:31   ( -75.71, -93.48) 03/11/2023   05:12:31  ( -75.68, -93.53)    3.22                60
 03/11/2023   06:02:19   (  75.82,  73.47) 03/11/2023   06:03:32  (  75.79,  74.08)   17.00                73
 03/11/2023   06:53:13   ( -76.26,-120.73) 03/11/2023   06:54:18  ( -76.23,-117.04)   97.53                65