Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 6 26.  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)
 07/09/2018   00:20:49   ( -80.51, -50.29) 07/09/2018   00:21:56  ( -80.51, -50.32)    0.79                67
 07/09/2018   01:11:50   (  80.51, 116.88) 07/09/2018   01:12:41  (  80.51, 117.02)    2.67                51
 07/09/2018   02:02:50   ( -80.52, -75.75) 07/09/2018   02:03:26  ( -80.51, -75.73)    0.59                36
 07/09/2018   02:53:51   (  80.51,  91.43) 07/09/2018   02:54:11  (  80.51,  91.61)    3.42                20
 07/09/2018   03:44:51   ( -80.52,-101.21) 07/09/2018   03:44:56  ( -80.51,-101.14)    1.28                 5
 07/09/2018   04:35:51   (  80.53,  66.32) 07/09/2018   04:35:41  (  80.51,  66.20)    3.02                10
 07/09/2018   05:26:52   ( -80.52,-126.67) 07/09/2018   05:26:26  ( -80.52,-126.56)    2.12                26
 07/09/2018   06:17:52   (  80.53,  40.86) 07/09/2018   06:17:11  (  80.52,  40.79)    2.49                41
 07/09/2018   07:08:53   ( -80.52,-152.13) 07/09/2018   07:07:56  ( -80.52,-151.97)    2.98                57