Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 4 4.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2021   03:31:19   (  78.13, 101.90) 04/18/2021   03:30:14  (  78.12,  98.21)   84.39                65
 04/18/2021   04:22:11   ( -78.42, -92.42) 04/18/2021   04:21:08  ( -78.46, -92.44)    3.49                63
 04/18/2021   05:12:57   (  78.45,  74.75) 04/18/2021   05:12:05  (  78.46,  74.87)    3.11                52
 04/18/2021   06:03:42   ( -78.47,-118.03) 04/18/2021   06:03:09  ( -78.43,-118.08)    3.72                33
 04/18/2021   06:54:27   (  78.45,  49.36) 04/18/2021   06:54:06  (  78.44,  49.23)    3.07                21
 04/18/2021   07:45:12   ( -78.47,-143.42) 04/18/2021   07:45:09  ( -78.45,-143.49)    2.75                 3
 04/18/2021   08:35:57   (  78.45,  23.97) 04/18/2021   08:36:06  (  78.46,  23.83)    3.16                 9
 04/18/2021   09:26:42   ( -78.47,-168.81) 04/18/2021   09:27:09  ( -78.46,-168.90)    2.17                27
 04/18/2021   10:17:28   (  78.50,  -1.65) 04/18/2021   10:18:06  (  78.47,  -1.58)    3.28                38
 04/18/2021   11:08:12   ( -78.47, 165.80) 04/18/2021   11:09:09  ( -78.47, 165.70)    2.28                57
 04/18/2021   11:58:58   (  78.50, -27.04) 04/18/2021   12:00:06  (  78.48, -26.98)    2.04                68