Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 8 1.  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)
 08/13/2017   12:49:44   (  80.80, -62.01) 08/13/2017   12:50:55  (  80.79, -61.85)    3.12                71
 08/13/2017   13:40:43   ( -80.80, 105.37) 08/13/2017   13:41:41  ( -80.80, 105.20)    2.86                58
 08/13/2017   14:31:45   (  80.80, -87.32) 08/13/2017   14:32:25  (  80.79, -87.23)    2.35                40
 08/13/2017   15:22:45   ( -80.79,  79.69) 08/13/2017   15:23:11  ( -80.80,  79.82)    2.32                26
 08/13/2017   16:13:47   (  80.80,-113.01) 08/13/2017   16:13:56  (  80.81,-112.98)    1.22                 9
 08/13/2017   17:04:46   ( -80.80,  54.38) 08/13/2017   17:04:41  ( -80.80,  54.43)    0.87                 5
 08/13/2017   17:55:48   (  80.80,-138.32) 08/13/2017   17:55:26  (  80.81,-138.36)    0.91                22
 08/13/2017   18:46:47   ( -80.81,  29.07) 08/13/2017   18:46:11  ( -80.80,  29.04)    0.65                36
 08/13/2017   19:37:49   (  80.81,-163.64) 08/13/2017   19:36:56  (  80.81,-163.75)    2.00                53