Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2017 12 28.  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   04:23:15   ( -80.70,-113.10) 01/04/2018   04:22:09  ( -80.69,-113.16)    1.63                66
 01/04/2018   05:14:00   (  80.71,  54.17) 01/04/2018   05:13:07  (  80.69,  54.13)    1.57                53
 01/04/2018   06:04:45   ( -80.71,-138.52) 01/04/2018   06:04:10  ( -80.70,-138.54)    1.07                35
 01/04/2018   06:55:30   (  80.71,  28.75) 01/04/2018   06:55:08  (  80.70,  28.74)    1.25                22
 01/04/2018   07:46:15   ( -80.71,-163.94) 01/04/2018   07:46:11  ( -80.70,-163.92)    0.94                 4
 01/04/2018   08:37:00   (  80.71,   3.32) 01/04/2018   08:37:09  (  80.70,   3.36)    1.28                 9
 01/04/2018   09:27:45   ( -80.71, 170.64) 01/04/2018   09:28:12  ( -80.71, 170.71)    1.36                27
 01/04/2018   10:18:30   (  80.71, -22.10) 01/04/2018   10:19:10  (  80.71, -22.02)    1.65                40
 01/04/2018   11:09:15   ( -80.71, 145.22) 01/04/2018   11:10:13  ( -80.71, 145.33)    2.02                58