Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 10.  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   04:28:32   ( -80.52,-112.14) 06/18/2018   04:27:24  ( -80.54,-112.15)    2.03                68
 06/18/2018   05:19:17   (  80.52,  55.19) 06/18/2018   05:18:20  (  80.54,  55.10)    2.65                57
 06/18/2018   06:10:02   ( -80.52,-137.57) 06/18/2018   06:09:25  ( -80.54,-137.60)    1.98                37
 06/18/2018   07:00:47   (  80.52,  29.77) 06/18/2018   07:00:21  (  80.54,  29.65)    2.86                26
 06/18/2018   07:51:32   ( -80.53,-162.99) 06/18/2018   07:51:26  ( -80.54,-163.05)    2.06                 6
 06/18/2018   08:42:17   (  80.53,   4.34) 06/18/2018   08:42:22  (  80.54,   4.21)    3.12                 5
 06/18/2018   09:33:02   ( -80.53, 171.59) 06/18/2018   09:33:27  ( -80.55, 171.50)    2.27                25
 06/18/2018   10:23:48   (  80.55, -21.41) 06/18/2018   10:24:23  (  80.55, -21.24)    3.29                35
 06/18/2018   11:14:32   ( -80.53, 146.16) 06/18/2018   11:15:28  ( -80.55, 146.05)    2.56                56