Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 6 12.  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, -43.09) 06/21/2019   00:15:39  ( -80.04, -43.18)    1.77                71
 06/21/2019   01:05:23   (  80.03, 124.04) 06/21/2019   01:06:24  (  80.03, 124.20)    3.11                61
 06/21/2019   01:56:29   ( -80.04, -68.65) 06/21/2019   01:57:09  ( -80.04, -68.58)    1.50                40
 06/21/2019   02:47:23   (  80.05,  98.80) 06/21/2019   02:47:54  (  80.04,  98.80)    1.34                31
 06/21/2019   03:38:29   ( -80.06, -93.88) 06/21/2019   03:38:39  ( -80.05, -93.98)    2.10                10
 06/21/2019   04:29:24   (  80.04,  73.25) 06/21/2019   04:29:24  (  80.04,  73.40)    3.10                 0
 06/21/2019   05:20:30   ( -80.05,-119.44) 06/21/2019   05:20:09  ( -80.05,-119.38)    1.25                21
 06/21/2019   06:11:24   (  80.06,  48.01) 06/21/2019   06:10:54  (  80.04,  48.01)    2.56                30
 06/21/2019   07:02:30   ( -80.07,-144.67) 06/21/2019   07:01:39  ( -80.05,-144.77)    2.96                51
 06/21/2019   07:53:25   (  80.06,  22.46) 06/21/2019   07:52:25  (  80.07,  22.31)    3.11                60