Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 15.  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   04:28:39   ( -80.53,-112.32) 06/18/2018   04:27:24  ( -80.54,-112.19)    2.48                75
 06/18/2018   05:19:24   (  80.53,  55.07) 06/18/2018   05:18:20  (  80.54,  55.09)    1.33                64
 06/18/2018   06:10:09   ( -80.53,-137.72) 06/18/2018   06:09:25  ( -80.54,-137.64)    1.55                44
 06/18/2018   07:00:54   (  80.53,  29.67) 06/18/2018   07:00:21  (  80.54,  29.64)    1.51                33
 06/18/2018   07:51:39   ( -80.53,-163.11) 06/18/2018   07:51:26  ( -80.54,-163.09)    0.86                13
 06/18/2018   08:42:24   (  80.53,   4.28) 06/18/2018   08:42:22  (  80.54,   4.19)    2.14                 2
 06/18/2018   09:33:09   ( -80.54, 171.49) 06/18/2018   09:33:27  ( -80.54, 171.45)    1.09                18
 06/18/2018   10:23:54   (  80.53, -21.12) 06/18/2018   10:24:23  (  80.54, -21.25)    2.94                29
 06/18/2018   11:14:39   ( -80.54, 146.09) 06/18/2018   11:15:28  ( -80.55, 146.00)    1.92                49
 06/18/2018   12:05:25   (  80.55, -46.85) 06/18/2018   12:06:24  (  80.55, -46.70)    2.82                59