Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 1 1.  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)
 01/04/2018   04:23:14   ( -80.69,-112.85) 01/04/2018   04:22:08  ( -80.70,-112.86)    1.70                66
 01/04/2018   05:13:59   (  80.69,  54.45) 01/04/2018   05:13:06  (  80.70,  54.46)    1.82                53
 01/04/2018   06:04:44   ( -80.69,-138.27) 01/04/2018   06:04:09  ( -80.71,-138.24)    1.90                35
 01/04/2018   06:55:30   (  80.71,  28.68) 01/04/2018   06:55:08  (  80.70,  28.72)    1.94                22
 01/04/2018   07:46:15   ( -80.71,-164.03) 01/04/2018   07:46:11  ( -80.70,-163.97)    2.03                 4
 01/04/2018   08:37:00   (  80.71,   3.26) 01/04/2018   08:37:09  (  80.70,   3.33)    2.13                 9
 01/04/2018   09:27:45   ( -80.72, 170.55) 01/04/2018   09:28:12  ( -80.70, 170.65)    2.39                27
 01/04/2018   10:18:30   (  80.72, -22.16) 01/04/2018   10:19:10  (  80.70, -22.05)    2.51                40
 01/04/2018   11:09:15   ( -80.72, 145.12) 01/04/2018   11:10:13  ( -80.71, 145.27)    2.93                58