Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 5 20.  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)
 05/21/2018   15:03:14   ( -80.56,  88.66) 05/21/2018   15:02:02  ( -80.56,  88.78)    2.23                72
 05/21/2018   15:53:59   (  80.56,-104.00) 05/21/2018   15:52:58  (  80.57,-103.91)    1.97                61
 05/21/2018   16:44:44   ( -80.56,  63.24) 05/21/2018   16:44:03  ( -80.57,  63.34)    1.94                41
 05/21/2018   17:35:29   (  80.56,-129.43) 05/21/2018   17:34:59  (  80.57,-129.35)    1.63                30
 05/21/2018   18:26:14   ( -80.57,  37.82) 05/21/2018   18:26:04  ( -80.57,  37.91)    1.65                10
 05/21/2018   19:16:59   (  80.56,-154.85) 05/21/2018   19:17:00  (  80.57,-154.79)    1.31                 1
 05/21/2018   20:07:44   ( -80.57,  12.40) 05/21/2018   20:08:05  ( -80.57,  12.47)    1.37                21
 05/21/2018   20:58:29   (  80.57, 179.73) 05/21/2018   20:59:01  (  80.57, 179.77)    1.00                32
 05/21/2018   21:49:13   ( -80.57, -13.02) 05/21/2018   21:50:05  ( -80.58, -12.97)    1.08                52