Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 5 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)
 05/07/2018   21:11:18   ( -80.59,  -3.71) 05/07/2018   21:10:15  ( -80.57,  -3.57)    2.90                63
 05/07/2018   22:02:03   (  80.58, 163.62) 05/07/2018   22:01:14  (  80.58, 163.75)    2.64                49
 05/07/2018   22:52:48   ( -80.59, -29.13) 05/07/2018   22:52:16  ( -80.58, -29.00)    2.73                32
 05/07/2018   23:43:33   (  80.59, 138.20) 05/07/2018   23:43:15  (  80.58, 138.32)    2.38                18
 05/08/2018   00:34:18   ( -80.59, -54.55) 05/08/2018   00:34:17  ( -80.58, -54.43)    2.56                 1
 05/08/2018   01:25:03   (  80.59, 112.78) 05/08/2018   01:25:16  (  80.58, 112.88)    2.13                13
 05/08/2018   02:15:48   ( -80.59, -79.97) 05/08/2018   02:16:18  ( -80.58, -79.86)    2.39                30
 05/08/2018   03:06:33   (  80.59,  87.36) 05/08/2018   03:07:17  (  80.58,  87.44)    1.90                44
 05/08/2018   03:57:18   ( -80.60,-105.39) 05/08/2018   03:58:19  ( -80.59,-105.29)    2.23                61