Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 6 18.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2019   00:14:28   ( -80.04, -43.06) 06/21/2019   00:15:39  ( -80.03, -43.11)    1.34                71
 06/21/2019   01:05:23   (  80.03, 124.11) 06/21/2019   01:06:25  (  80.05, 124.01)    2.87                62
 06/21/2019   01:56:29   ( -80.04, -68.61) 06/21/2019   01:57:09  ( -80.04, -68.51)    1.94                40
 06/21/2019   02:47:24   (  80.03,  98.55) 06/21/2019   02:47:55  (  80.06,  98.61)    2.93                31
 06/21/2019   03:38:29   ( -80.06, -93.85) 06/21/2019   03:38:39  ( -80.04, -93.91)    2.33                10
 06/21/2019   04:29:24   (  80.05,  73.32) 06/21/2019   04:29:25  (  80.06,  73.21)    2.17                 1
 06/21/2019   05:20:30   ( -80.05,-119.40) 06/21/2019   05:20:09  ( -80.04,-119.30)    2.36                21
 06/21/2019   06:11:25   (  80.05,  47.76) 06/21/2019   06:10:55  (  80.06,  47.81)    1.82                30
 06/21/2019   07:02:31   ( -80.05,-144.96) 06/21/2019   07:01:40  ( -80.07,-145.00)    2.57                51
 06/21/2019   07:53:25   (  80.06,  22.52) 06/21/2019   07:52:25  (  80.06,  22.42)    2.07                60