Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 7 10.  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)
 07/15/2018   20:26:44   (  80.50,-171.46) 07/15/2018   20:25:36  (  80.51,-171.33)    2.48                68
 07/15/2018   21:17:29   ( -80.51,  -4.26) 07/15/2018   21:16:35  ( -80.50,  -4.25)    1.15                54
 07/15/2018   22:08:14   (  80.50, 163.14) 07/15/2018   22:07:37  (  80.51, 163.21)    1.50                37
 07/15/2018   22:58:59   ( -80.51, -29.66) 07/15/2018   22:58:36  ( -80.50, -29.71)    1.49                23
 07/15/2018   23:49:44   (  80.51, 137.74) 07/15/2018   23:49:38  (  80.51, 137.75)    0.82                 6
 07/16/2018   00:40:29   ( -80.51, -55.05) 07/16/2018   00:40:37  ( -80.50, -55.17)    2.45                 8
 07/16/2018   01:31:14   (  80.51, 112.34) 07/16/2018   01:31:39  (  80.52, 112.30)    1.22                25
 07/16/2018   02:21:59   ( -80.52, -80.45) 07/16/2018   02:22:37  ( -80.52, -80.29)    3.03                38
 07/16/2018   03:12:44   (  80.51,  86.95) 07/16/2018   03:13:40  (  80.52,  86.84)    2.16                56