Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 8 25.  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)
 08/27/2017   05:00:30   (  80.78,  55.34) 08/27/2017   05:01:41  (  80.78,  55.50)    2.91                71
 08/27/2017   05:51:32   ( -80.79,-137.15) 08/27/2017   05:52:26  ( -80.78,-137.20)    1.12                54
 08/27/2017   06:42:31   (  80.79,  30.02) 08/27/2017   06:43:11  (  80.78,  30.11)    1.74                40
 08/27/2017   07:33:33   ( -80.80,-162.47) 08/27/2017   07:33:56  ( -80.78,-162.59)    2.49                23
 08/27/2017   08:24:31   (  80.79,   4.69) 08/27/2017   08:24:40  (  80.79,   4.72)    1.01                 9
 08/27/2017   09:15:34   ( -80.79, 171.85) 08/27/2017   09:15:25  ( -80.79, 172.02)    3.01                 9
 08/27/2017   10:06:32   (  80.80, -20.63) 08/27/2017   10:06:10  (  80.79, -20.67)    1.56                22
 08/27/2017   10:57:35   ( -80.80, 146.54) 08/27/2017   10:56:55  ( -80.79, 146.63)    1.97                40
 08/27/2017   11:48:34   (  80.79, -46.32) 08/27/2017   11:47:41  (  80.81, -46.41)    2.24                53