Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 13.  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)
 06/18/2018   04:28:30   ( -80.54,-112.45) 06/18/2018   04:27:25  ( -80.53,-112.43)    2.08                65
 06/18/2018   05:19:15   (  80.54,  54.86) 06/18/2018   05:18:21  (  80.53,  54.83)    2.17                54
 06/18/2018   06:09:59   ( -80.53,-137.61) 06/18/2018   06:09:25  ( -80.54,-137.54)    2.08                34
 06/18/2018   07:00:44   (  80.53,  29.70) 06/18/2018   07:00:21  (  80.54,  29.73)    1.72                23
 06/18/2018   07:51:29   ( -80.54,-163.10) 06/18/2018   07:51:26  ( -80.55,-162.99)    2.26                 3
 06/18/2018   08:42:14   (  80.54,   4.21) 06/18/2018   08:42:22  (  80.55,   4.28)    1.70                 8
 06/18/2018   09:32:59   ( -80.55, 171.40) 06/18/2018   09:33:27  ( -80.55, 171.56)    2.86                28
 06/18/2018   10:23:44   (  80.55, -21.29) 06/18/2018   10:24:23  (  80.55, -21.16)    2.33                39
 06/18/2018   11:14:28   ( -80.53, 146.24) 06/18/2018   11:15:28  ( -80.55, 146.11)    3.21                60