Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 6 16.  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   04:28:40   ( -80.54,-112.51) 06/18/2018   04:27:25  ( -80.53,-112.38)    2.90                75
 06/18/2018   05:19:25   (  80.54,  54.89) 06/18/2018   05:18:21  (  80.53,  54.91)    1.08                64
 06/18/2018   06:10:10   ( -80.55,-137.90) 06/18/2018   06:09:26  ( -80.53,-137.83)    2.12                44
 06/18/2018   07:00:55   (  80.54,  29.50) 06/18/2018   07:00:22  (  80.53,  29.46)    1.20                33
 06/18/2018   07:51:40   ( -80.55,-163.30) 06/18/2018   07:51:27  ( -80.53,-163.29)    1.65                13
 06/18/2018   08:42:25   (  80.54,   4.10) 06/18/2018   08:42:23  (  80.53,   4.01)    1.88                 2
 06/18/2018   09:33:10   ( -80.55, 171.31) 06/18/2018   09:33:28  ( -80.53, 171.26)    1.73                18
 06/18/2018   10:23:55   (  80.54, -21.29) 06/18/2018   10:24:24  (  80.54, -21.44)    2.73                29
 06/18/2018   11:14:40   ( -80.55, 145.91) 06/18/2018   11:15:29  ( -80.54, 145.81)    2.32                49
 06/18/2018   12:05:25   (  80.54, -46.69) 06/18/2018   12:06:24  (  80.55, -46.54)    3.00                59