Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 6 18.  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)
 06/27/2021   23:36:49   (  77.87, 161.74) 06/27/2021   23:35:44  (  77.88, 158.21)   82.63                65
 06/28/2021   00:27:42   ( -78.20, -32.70) 06/28/2021   00:26:36  ( -78.20, -32.69)    0.68                66
 06/28/2021   01:18:27   (  78.19, 134.66) 06/28/2021   01:17:36  (  78.20, 134.55)    2.60                51
 06/28/2021   02:09:12   ( -78.21, -58.09) 06/28/2021   02:08:36  ( -78.21, -58.11)    0.60                36
 06/28/2021   02:59:57   (  78.20, 109.27) 06/28/2021   02:59:36  (  78.21, 109.12)    3.48                21
 06/28/2021   03:50:42   ( -78.21, -83.48) 06/28/2021   03:50:36  ( -78.22, -83.54)    1.71                 6
 06/28/2021   04:41:28   (  78.24,  83.65) 06/28/2021   04:41:36  (  78.22,  83.69)    2.79                 8
 06/28/2021   05:32:12   ( -78.21,-108.88) 06/28/2021   05:32:36  ( -78.23,-108.96)    2.85                24
 06/28/2021   06:22:58   (  78.25,  58.26) 06/28/2021   06:23:36  (  78.23,  58.26)    1.82                38
 06/28/2021   07:13:43   ( -78.26,-134.49) 06/28/2021   07:14:36  ( -78.25,-134.39)    2.70                53
 06/28/2021   08:04:28   (  78.25,  32.86) 06/28/2021   08:05:36  (  78.24,  32.83)    1.19                68