Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2018 4 25.  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   21:11:18   ( -80.58,  -3.60) 05/07/2018   21:10:15  ( -80.58,  -3.55)    1.01                63
 05/07/2018   22:02:03   (  80.58, 163.65) 05/07/2018   22:01:14  (  80.58, 163.70)    1.33                49
 05/07/2018   22:52:48   ( -80.58, -29.02) 05/07/2018   22:52:16  ( -80.58, -28.98)    0.82                32
 05/07/2018   23:43:33   (  80.59, 138.23) 05/07/2018   23:43:15  (  80.58, 138.27)    1.14                18
 05/08/2018   00:34:18   ( -80.59, -54.44) 05/08/2018   00:34:17  ( -80.58, -54.41)    0.64                 1
 05/08/2018   01:25:03   (  80.59, 112.81) 05/08/2018   01:25:16  (  80.58, 112.83)    1.02                13
 05/08/2018   02:15:48   ( -80.59, -79.86) 05/08/2018   02:16:18  ( -80.58, -79.84)    0.50                30
 05/08/2018   03:06:33   (  80.59,  87.39) 05/08/2018   03:07:17  (  80.58,  87.39)    0.98                44
 05/08/2018   03:57:18   ( -80.59,-105.28) 05/08/2018   03:58:19  ( -80.59,-105.27)    0.42                61