Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 10 13.  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   17:35:44   ( -80.39,  52.64) 10/20/2018   17:34:29  ( -80.39,  52.82)    3.30                75
 10/20/2018   18:26:29   (  80.39,-140.02) 10/20/2018   18:25:25  (  80.38,-140.15)    2.91                64
 10/20/2018   19:17:14   ( -80.40,  27.24) 10/20/2018   19:16:30  ( -80.39,  27.33)    1.74                44
 10/20/2018   20:07:59   (  80.39,-165.42) 10/20/2018   20:07:25  (  80.40,-165.30)    2.26                34
 10/20/2018   20:58:44   ( -80.40,   1.84) 10/20/2018   20:58:31  ( -80.39,   1.84)    0.57                13
 10/20/2018   21:49:29   (  80.40, 169.18) 10/20/2018   21:49:26  (  80.40, 169.21)    0.73                 3
 10/20/2018   22:40:14   ( -80.40, -23.56) 10/20/2018   22:40:32  ( -80.39, -23.64)    1.68                18
 10/20/2018   23:30:59   (  80.40, 143.78) 10/20/2018   23:31:27  (  80.40, 143.73)    0.87                28
 10/21/2018   00:21:44   ( -80.40, -48.96) 10/21/2018   00:22:33  ( -80.39, -49.13)    3.24                49
 10/21/2018   01:12:29   (  80.40, 118.37) 10/21/2018   01:13:28  (  80.40, 118.24)    2.41                59