Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 8 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)
 08/13/2017   12:49:44   (  80.80, -61.94) 08/13/2017   12:50:55  (  80.78, -61.82)    2.66                71
 08/13/2017   13:40:43   ( -80.80, 105.37) 08/13/2017   13:41:40  ( -80.78, 105.51)    3.13                57
 08/13/2017   14:31:46   (  80.79, -87.62) 08/13/2017   14:32:26  (  80.80, -87.56)    1.76                40
 08/13/2017   15:22:45   ( -80.79,  79.69) 08/13/2017   15:23:11  ( -80.80,  79.77)    1.77                26
 08/13/2017   16:13:47   (  80.80,-112.94) 08/13/2017   16:13:56  (  80.80,-112.95)    0.82                 9
 08/13/2017   17:04:46   ( -80.80,  54.38) 08/13/2017   17:04:41  ( -80.80,  54.39)    0.50                 5
 08/13/2017   17:55:48   (  80.80,-138.26) 08/13/2017   17:55:26  (  80.81,-138.34)    1.46                22
 08/13/2017   18:46:47   ( -80.80,  29.07) 08/13/2017   18:46:11  ( -80.80,  29.00)    1.30                36
 08/13/2017   19:37:49   (  80.81,-163.57) 08/13/2017   19:36:56  (  80.81,-163.72)    2.73                53