Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 10 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)
 10/20/2018   18:26:29   (  80.38,-139.91) 10/20/2018   18:25:19  (  80.39,-139.91)    0.75                70
 10/20/2018   19:17:14   ( -80.39,  27.37) 10/20/2018   19:16:25  ( -80.39,  27.25)    2.20                49
 10/20/2018   20:07:59   (  80.39,-165.32) 10/20/2018   20:07:20  (  80.39,-165.41)    1.78                39
 10/20/2018   20:58:44   ( -80.39,   1.97) 10/20/2018   20:58:25  ( -80.41,   2.09)    2.95                19
 10/20/2018   21:49:29   (  80.39, 169.28) 10/20/2018   21:49:21  (  80.39, 169.10)    3.46                 8
 10/20/2018   22:40:14   ( -80.39, -23.43) 10/20/2018   22:40:26  ( -80.41, -23.41)    1.75                12
 10/20/2018   23:30:59   (  80.39, 143.88) 10/20/2018   23:31:21  (  80.41, 143.94)    2.40                22
 10/21/2018   00:21:44   ( -80.39, -48.84) 10/21/2018   00:22:27  ( -80.41, -48.91)    1.99                43
 10/21/2018   01:12:29   (  80.39, 118.48) 10/21/2018   01:13:22  (  80.41, 118.44)    2.05                53