Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 3 8.  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   ( -80.64,  12.99) 03/13/2018   20:00:40  ( -80.62,  12.95)    1.94                75
 03/13/2018   20:52:40   (  80.63,-179.64) 03/13/2018   20:51:43  (  80.63,-179.58)    1.14                57
 03/13/2018   21:43:25   ( -80.64, -12.42) 03/13/2018   21:42:41  ( -80.63, -12.46)    1.81                44
 03/13/2018   22:34:10   (  80.64, 154.95) 03/13/2018   22:33:44  (  80.64, 155.01)    1.22                26
 03/13/2018   23:24:55   ( -80.64, -37.84) 03/13/2018   23:24:42  ( -80.63, -37.87)    1.69                13
 03/14/2018   00:15:40   (  80.64, 129.53) 03/14/2018   00:15:45  (  80.64, 129.61)    1.33                 5
 03/14/2018   01:06:25   ( -80.65, -63.25) 03/14/2018   01:06:43  ( -80.63, -63.29)    1.56                18
 03/14/2018   01:57:10   (  80.64, 104.12) 03/14/2018   01:57:46  (  80.64, 104.20)    1.44                36
 03/14/2018   02:47:55   ( -80.65, -88.66) 03/14/2018   02:48:44  ( -80.64, -88.70)    1.44                49