Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 10 15.  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   17:35:42   ( -80.39,  52.65) 10/20/2018   17:34:28  ( -80.38,  52.72)    1.56                74
 10/20/2018   18:26:27   (  80.39,-139.98) 10/20/2018   18:25:23  (  80.39,-139.89)    1.61                64
 10/20/2018   19:17:12   ( -80.40,  27.25) 10/20/2018   19:16:29  ( -80.38,  27.22)    1.33                43
 10/20/2018   20:07:57   (  80.39,-165.38) 10/20/2018   20:07:24  (  80.39,-165.38)    0.07                33
 10/20/2018   20:58:42   ( -80.40,   1.84) 10/20/2018   20:58:30  ( -80.38,   1.73)    2.49                12
 10/20/2018   21:49:27   (  80.39, 169.21) 10/20/2018   21:49:25  (  80.39, 169.13)    1.46                 2
 10/20/2018   22:40:12   ( -80.40, -23.57) 10/20/2018   22:40:30  ( -80.40, -23.42)    2.68                18
 10/20/2018   23:30:57   (  80.40, 143.80) 10/20/2018   23:31:26  (  80.39, 143.64)    3.00                29
 10/21/2018   00:21:42   ( -80.40, -48.97) 10/21/2018   00:22:31  ( -80.40, -48.92)    1.09                49
 10/21/2018   01:12:27   (  80.40, 118.39) 10/21/2018   01:13:26  (  80.41, 118.49)    2.27                59