Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 30.  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,-112.95) 01/04/2018   04:22:08  ( -80.70,-112.99)    0.74                66
 01/04/2018   05:13:59   (  80.70,  54.33) 01/04/2018   05:13:06  (  80.70,  54.32)    0.46                53
 01/04/2018   06:04:44   ( -80.70,-138.38) 01/04/2018   06:04:09  ( -80.70,-138.37)    0.65                35
 01/04/2018   06:55:29   (  80.70,  28.90) 01/04/2018   06:55:07  (  80.70,  28.94)    0.85                22
 01/04/2018   07:46:14   ( -80.70,-163.80) 01/04/2018   07:46:10  ( -80.71,-163.74)    1.25                 4
 01/04/2018   08:36:59   (  80.70,   3.48) 01/04/2018   08:37:08  (  80.71,   3.55)    1.49                 9
 01/04/2018   09:27:44   ( -80.70, 170.78) 01/04/2018   09:28:11  ( -80.71, 170.88)    1.99                27
 01/04/2018   10:18:29   (  80.70, -21.94) 01/04/2018   10:19:09  (  80.71, -21.83)    2.18                40
 01/04/2018   11:09:14   ( -80.70, 145.36) 01/04/2018   11:10:12  ( -80.71, 145.50)    2.76                58