Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 10 11.  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,  52.73) 10/20/2018   17:34:28  ( -80.39,  52.84)    1.93                74
 10/20/2018   18:26:27   (  80.38,-139.92) 10/20/2018   18:25:23  (  80.40,-139.79)    2.71                64
 10/20/2018   19:17:12   ( -80.39,  27.33) 10/20/2018   19:16:29  ( -80.39,  27.34)    0.38                43
 10/20/2018   20:07:57   (  80.39,-165.33) 10/20/2018   20:07:24  (  80.40,-165.28)    1.40                33
 10/20/2018   20:58:42   ( -80.39,   1.92) 10/20/2018   20:58:30  ( -80.39,   1.85)    1.26                12
 10/20/2018   21:49:27   (  80.39, 169.26) 10/20/2018   21:49:25  (  80.40, 169.23)    1.11                 2
 10/20/2018   22:40:11   ( -80.39, -23.49) 10/20/2018   22:40:30  ( -80.39, -23.64)    2.84                19
 10/20/2018   23:30:56   (  80.39, 143.86) 10/20/2018   23:31:25  (  80.40, 143.74)    2.27                29
 10/21/2018   00:21:41   ( -80.40, -48.89) 10/21/2018   00:22:30  ( -80.41, -48.79)    2.45                49
 10/21/2018   01:12:27   (  80.42, 118.12) 10/21/2018   01:13:26  (  80.40, 118.25)    3.28                59