Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 3 6.  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)
 03/13/2018   20:01:55   ( -80.63,  13.10) 03/13/2018   20:00:40  ( -80.63,  13.04)    1.20                75
 03/13/2018   20:52:40   (  80.63,-179.55) 03/13/2018   20:51:43  (  80.64,-179.50)    1.03                57
 03/13/2018   21:43:25   ( -80.63, -12.32) 03/13/2018   21:42:41  ( -80.63, -12.37)    1.13                44
 03/13/2018   22:34:10   (  80.63, 155.04) 03/13/2018   22:33:44  (  80.64, 155.09)    1.21                26
 03/13/2018   23:24:55   ( -80.64, -37.73) 03/13/2018   23:24:42  ( -80.63, -37.78)    1.07                13
 03/14/2018   00:15:40   (  80.63, 129.63) 03/14/2018   00:15:45  (  80.64, 129.68)    1.38                 5
 03/14/2018   01:06:25   ( -80.64, -63.14) 03/14/2018   01:06:43  ( -80.64, -63.20)    1.02                18
 03/14/2018   01:57:10   (  80.64, 104.21) 03/14/2018   01:57:46  (  80.65, 104.27)    1.56                36
 03/14/2018   02:47:55   ( -80.64, -88.55) 03/14/2018   02:48:44  ( -80.64, -88.61)    0.99                49