Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 11.  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,-112.34) 06/18/2018   04:27:25  ( -80.53,-112.35)    0.56                68
 06/18/2018   05:19:18   (  80.53,  55.00) 06/18/2018   05:18:21  (  80.53,  54.91)    1.76                57
 06/18/2018   06:10:03   ( -80.54,-137.76) 06/18/2018   06:09:26  ( -80.53,-137.80)    0.92                37
 06/18/2018   07:00:48   (  80.54,  29.58) 06/18/2018   07:00:22  (  80.53,  29.46)    2.20                26
 06/18/2018   07:51:33   ( -80.54,-163.19) 06/18/2018   07:51:27  ( -80.53,-163.25)    1.38                 6
 06/18/2018   08:42:18   (  80.54,   4.15) 06/18/2018   08:42:23  (  80.53,   4.01)    2.64                 5
 06/18/2018   09:33:03   ( -80.54, 171.39) 06/18/2018   09:33:28  ( -80.54, 171.30)    1.87                25
 06/18/2018   10:23:48   (  80.54, -21.27) 06/18/2018   10:24:24  (  80.54, -21.43)    3.07                36
 06/18/2018   11:14:33   ( -80.55, 145.97) 06/18/2018   11:15:29  ( -80.54, 145.85)    2.37                56