Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 10.  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   20:43:52   ( -75.28,  34.72) 03/10/2023   20:42:43  ( -75.27,  32.58)   60.42                69
 03/10/2023   21:34:45   (  75.62,-159.03) 03/10/2023   21:33:39  (  75.61,-159.07)    1.97                66
 03/10/2023   22:25:29   ( -75.61,   8.31) 03/10/2023   22:24:34  ( -75.65,   8.34)    3.68                55
 03/10/2023   23:16:15   (  75.63, 175.58) 03/10/2023   23:15:38  (  75.62, 175.49)    2.48                37
 03/11/2023   00:07:00   ( -75.67, -17.23) 03/11/2023   00:06:33  ( -75.66, -17.11)    3.45                27
 03/11/2023   00:57:45   (  75.64, 150.18) 03/11/2023   00:57:37  (  75.64, 150.05)    3.70                 8
 03/11/2023   01:48:30   ( -75.67, -42.63) 03/11/2023   01:48:32  ( -75.68, -42.55)    2.16                 2
 03/11/2023   02:39:16   (  75.69, 124.64) 03/11/2023   02:39:35  (  75.70, 124.76)    3.50                19
 03/11/2023   03:30:00   ( -75.68, -68.02) 03/11/2023   03:30:31  ( -75.69, -67.99)    1.63                31
 03/11/2023   04:20:46   (  75.70,  99.24) 03/11/2023   04:21:34  (  75.71,  99.31)    2.80                48
 03/11/2023   05:11:30   ( -75.69, -93.42) 03/11/2023   05:12:30  ( -75.71, -93.43)    2.42                60
 03/11/2023   06:02:19   (  75.84,  73.39) 03/11/2023   06:03:31  (  75.82,  74.19)   21.83                72