Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 8.  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,-112.22) 06/18/2018   04:27:25  ( -80.53,-112.24)    1.09                68
 06/18/2018   05:19:18   (  80.53,  55.11) 06/18/2018   05:18:21  (  80.53,  55.00)    2.22                57
 06/18/2018   06:10:03   ( -80.53,-137.64) 06/18/2018   06:09:26  ( -80.54,-137.69)    1.29                37
 06/18/2018   07:00:48   (  80.53,  29.68) 06/18/2018   07:00:22  (  80.54,  29.55)    2.59                26
 06/18/2018   07:51:32   ( -80.53,-163.06) 06/18/2018   07:51:26  ( -80.54,-163.14)    1.64                 6
 06/18/2018   08:42:17   (  80.53,   4.26) 06/18/2018   08:42:22  (  80.54,   4.10)    2.99                 5
 06/18/2018   09:33:02   ( -80.54, 171.51) 06/18/2018   09:33:27  ( -80.54, 171.41)    2.07                25
 06/18/2018   10:23:47   (  80.54, -21.17) 06/18/2018   10:24:23  (  80.54, -21.35)    3.40                36
 06/18/2018   11:14:32   ( -80.54, 146.09) 06/18/2018   11:15:28  ( -80.54, 145.95)    2.54                56