Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2018 3 3.  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)
 03/06/2018   22:13:41   (  80.63, 159.66) 03/06/2018   22:14:56  (  80.64, 159.52)    2.79                75
 03/06/2018   23:04:40   ( -80.63, -33.02) 03/06/2018   23:05:40  ( -80.63, -32.94)    1.58                60
 03/06/2018   23:55:42   (  80.63, 134.25) 03/06/2018   23:56:26  (  80.65, 134.13)    2.54                44
 03/07/2018   00:46:41   ( -80.64, -58.43) 03/07/2018   00:47:10  ( -80.63, -58.33)    1.90                29
 03/07/2018   01:37:43   (  80.64, 108.85) 03/07/2018   01:37:56  (  80.65, 108.73)    2.32                13
 03/07/2018   02:28:42   ( -80.64, -83.84) 03/07/2018   02:28:40  ( -80.63, -83.73)    2.23                 2
 03/07/2018   03:19:44   (  80.64,  83.44) 03/07/2018   03:19:26  (  80.65,  83.33)    2.11                18
 03/07/2018   04:10:43   ( -80.64,-109.25) 03/07/2018   04:10:10  ( -80.63,-109.13)    2.57                33
 03/07/2018   05:01:45   (  80.65,  58.04) 03/07/2018   05:00:56  (  80.65,  57.93)    1.93                49