Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 4 16.  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   (  78.12, 101.96) 04/18/2021   03:30:14  (  78.12,  98.19)   86.21                65
 04/18/2021   04:22:12   ( -78.46, -92.63) 04/18/2021   04:21:08  ( -78.45, -92.50)    3.25                64
 04/18/2021   05:12:57   (  78.44,  74.81) 04/18/2021   05:12:05  (  78.46,  74.85)    2.73                52
 04/18/2021   06:03:42   ( -78.46,-118.02) 04/18/2021   06:03:08  ( -78.46,-117.91)    2.48                34
 04/18/2021   06:54:27   (  78.44,  49.42) 04/18/2021   06:54:05  (  78.47,  49.45)    3.92                22
 04/18/2021   07:45:12   ( -78.46,-143.41) 04/18/2021   07:45:08  ( -78.47,-143.32)    2.26                 4
 04/18/2021   08:35:58   (  78.48,  23.81) 04/18/2021   08:36:06  (  78.45,  23.81)    3.09                 8
 04/18/2021   09:26:42   ( -78.47,-168.80) 04/18/2021   09:27:08  ( -78.49,-168.73)    2.73                26
 04/18/2021   10:17:28   (  78.48,  -1.58) 04/18/2021   10:18:06  (  78.47,  -1.60)    1.83                38
 04/18/2021   11:08:12   ( -78.47, 165.81) 04/18/2021   11:09:08  ( -78.50, 165.86)    3.63                56
 04/18/2021   11:58:58   (  78.49, -26.97) 04/18/2021   12:00:06  (  78.48, -27.00)    0.82                68