Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2019 6 11.  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   00:14:27   ( -80.05, -43.00) 06/21/2019   00:15:38  ( -80.03, -43.03)    2.27                71
 06/21/2019   01:05:22   (  80.04, 124.12) 06/21/2019   01:06:24  (  80.05, 124.04)    2.27                62
 06/21/2019   01:56:28   ( -80.04, -68.55) 06/21/2019   01:57:08  ( -80.03, -68.43)    2.81                40
 06/21/2019   02:47:23   (  80.03,  98.56) 06/21/2019   02:47:54  (  80.05,  98.64)    2.74                31
 06/21/2019   03:38:29   ( -80.04, -94.11) 06/21/2019   03:38:39  ( -80.06, -94.13)    2.36                10
 06/21/2019   04:29:23   (  80.05,  73.33) 06/21/2019   04:29:24  (  80.05,  73.24)    1.63                 1
 06/21/2019   05:20:29   ( -80.06,-119.35) 06/21/2019   05:20:09  ( -80.06,-119.52)    3.45                20
 06/21/2019   06:11:24   (  80.05,  47.77) 06/21/2019   06:10:54  (  80.06,  47.85)    1.83                30
 06/21/2019   07:02:30   ( -80.05,-144.90) 06/21/2019   07:01:39  ( -80.06,-144.92)    1.17                51
 06/21/2019   07:53:24   (  80.07,  22.53) 06/21/2019   07:52:24  (  80.06,  22.45)    1.77                60