Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 3 17.  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)
 03/27/2018   14:44:39   (  80.61, -87.32) 03/27/2018   14:43:41  (  80.63, -87.25)    2.00                58
 03/27/2018   15:35:24   ( -80.61,  79.94) 03/27/2018   15:34:37  ( -80.62,  79.92)    0.78                47
 03/27/2018   16:26:09   (  80.61,-112.73) 03/27/2018   16:25:42  (  80.63,-112.66)    2.09                27
 03/27/2018   17:16:54   ( -80.62,  54.53) 03/27/2018   17:16:38  ( -80.62,  54.50)    0.89                16
 03/27/2018   18:07:39   (  80.62,-138.15) 03/27/2018   18:07:43  (  80.63,-138.08)    2.17                 4
 03/27/2018   18:58:24   ( -80.62,  29.11) 03/27/2018   18:58:39  ( -80.63,  29.09)    1.00                15
 03/27/2018   19:49:09   (  80.62,-163.56) 03/27/2018   19:49:44  (  80.64,-163.49)    2.26                35
 03/27/2018   20:39:54   ( -80.62,   3.70) 03/27/2018   20:40:40  ( -80.63,   3.67)    1.11                46
 03/27/2018   21:30:39   (  80.62, 171.02) 03/27/2018   21:31:45  (  80.64, 171.10)    2.35                66