Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 6 16.  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)
 06/25/2018   04:47:15   ( -80.52,-117.23) 06/25/2018   04:48:25  ( -80.52,-117.07)    2.94                70
 06/25/2018   05:38:12   (  80.53,  50.14) 06/25/2018   05:39:11  (  80.53,  50.00)    2.81                59
 06/25/2018   06:29:16   ( -80.52,-142.68) 06/25/2018   06:29:56  ( -80.54,-142.81)    3.19                40
 06/25/2018   07:20:13   (  80.53,  24.69) 06/25/2018   07:20:41  (  80.54,  24.59)    2.17                28
 06/25/2018   08:11:17   ( -80.53,-168.13) 06/25/2018   08:11:26  ( -80.55,-168.22)    2.68                 9
 06/25/2018   09:02:14   (  80.53,  -0.75) 06/25/2018   09:02:11  (  80.54,  -0.82)    1.58                 3
 06/25/2018   09:53:18   ( -80.53, 166.41) 06/25/2018   09:52:56  ( -80.55, 166.37)    2.34                22
 06/25/2018   10:44:15   (  80.53, -26.20) 06/25/2018   10:43:41  (  80.54, -26.24)    1.11                34
 06/25/2018   11:35:18   ( -80.55, 141.30) 06/25/2018   11:34:25  ( -80.53, 141.29)    2.13                53