Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 9.  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   04:28:33   ( -80.53,-112.24) 06/18/2018   04:27:25  ( -80.53,-112.27)    0.81                68
 06/18/2018   05:19:18   (  80.53,  55.09) 06/18/2018   05:18:21  (  80.53,  54.98)    2.15                57
 06/18/2018   06:10:03   ( -80.53,-137.66) 06/18/2018   06:09:26  ( -80.54,-137.72)    1.12                37
 06/18/2018   07:00:48   (  80.53,  29.66) 06/18/2018   07:00:22  (  80.53,  29.53)    2.55                26
 06/18/2018   07:51:33   ( -80.53,-163.09) 06/18/2018   07:51:27  ( -80.54,-163.17)    1.55                 6
 06/18/2018   08:42:18   (  80.53,   4.24) 06/18/2018   08:42:23  (  80.54,   4.08)    2.96                 5
 06/18/2018   09:33:03   ( -80.54, 171.49) 06/18/2018   09:33:28  ( -80.54, 171.38)    2.03                25
 06/18/2018   10:23:48   (  80.54, -21.18) 06/18/2018   10:24:24  (  80.54, -21.37)    3.38                36
 06/18/2018   11:14:33   ( -80.54, 146.07) 06/18/2018   11:15:29  ( -80.54, 145.93)    2.53                56