Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 5 7.  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)
 05/07/2018   22:02:03   (  80.59, 163.59) 05/07/2018   22:01:14  (  80.57, 163.72)    2.78                49
 05/07/2018   22:52:48   ( -80.59, -29.17) 05/07/2018   22:52:16  ( -80.57, -29.04)    2.98                32
 05/07/2018   23:43:33   (  80.59, 138.17) 05/07/2018   23:43:15  (  80.58, 138.29)    2.54                18
 05/08/2018   00:34:18   ( -80.59, -54.58) 05/08/2018   00:34:17  ( -80.58, -54.47)    2.82                 1
 05/08/2018   01:25:03   (  80.59, 112.75) 05/08/2018   01:25:16  (  80.58, 112.85)    2.31                13
 05/08/2018   02:15:48   ( -80.60, -80.00) 05/08/2018   02:16:18  ( -80.58, -79.90)    2.67                30
 05/08/2018   03:06:33   (  80.60,  87.33) 05/08/2018   03:07:17  (  80.58,  87.41)    2.10                44
 05/08/2018   03:57:18   ( -80.60,-105.42) 05/08/2018   03:58:19  ( -80.58,-105.33)    2.53                61
 05/08/2018   04:48:03   (  80.60,  61.91) 05/08/2018   04:49:18  (  80.59,  61.98)    1.92                75
 05/21/2018   15:03:14   ( -80.56,  88.65) 05/21/2018   15:02:03  ( -80.55,  88.49)    3.23                71
 05/21/2018   15:53:59   (  80.57,-104.10) 05/21/2018   15:52:58  (  80.57,-103.93)    2.99                61
 05/21/2018   16:44:44   ( -80.56,  63.23) 05/21/2018   16:44:03  ( -80.57,  63.40)    3.05                41
 05/21/2018   17:35:29   (  80.57,-129.52) 05/21/2018   17:34:59  (  80.57,-129.37)    2.64                30
 05/21/2018   18:26:14   ( -80.57,  37.81) 05/21/2018   18:26:04  ( -80.57,  37.96)    2.77                10
 05/21/2018   19:16:59   (  80.57,-154.94) 05/21/2018   19:17:00  (  80.57,-154.81)    2.30                 1
 05/21/2018   20:07:44   ( -80.57,  12.39) 05/21/2018   20:08:05  ( -80.58,  12.52)    2.49                21