Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 29.  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   ( -80.70,-112.99) 01/04/2018   04:22:08  ( -80.70,-113.03)    0.59                66
 01/04/2018   05:13:59   (  80.70,  54.28) 01/04/2018   05:13:06  (  80.70,  54.28)    0.09                53
 01/04/2018   06:04:44   ( -80.70,-138.41) 01/04/2018   06:04:09  ( -80.70,-138.40)    0.29                35
 01/04/2018   06:55:29   (  80.70,  28.86) 01/04/2018   06:55:07  (  80.70,  28.89)    0.62                22
 01/04/2018   07:46:14   ( -80.70,-163.84) 01/04/2018   07:46:10  ( -80.70,-163.78)    1.04                 4
 01/04/2018   08:36:59   (  80.70,   3.44) 01/04/2018   08:37:08  (  80.71,   3.51)    1.33                 9
 01/04/2018   09:27:44   ( -80.70, 170.74) 01/04/2018   09:28:11  ( -80.71, 170.84)    1.83                27
 01/04/2018   10:18:29   (  80.71, -21.98) 01/04/2018   10:19:09  (  80.71, -21.87)    2.04                40
 01/04/2018   11:09:14   ( -80.71, 145.32) 01/04/2018   11:10:12  ( -80.71, 145.46)    2.63                58