Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 5 28.  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)
 06/06/2017   09:01:10   (  80.84,  -5.55) 06/06/2017   09:02:21  (  80.83,  -5.45)    2.10                71
 06/06/2017   09:52:14   ( -80.84, 161.67) 06/06/2017   09:53:06  ( -80.83, 161.74)    1.42                52
 06/06/2017   10:43:12   (  80.83, -31.19) 06/06/2017   10:43:52  (  80.85, -31.22)    1.50                40
 06/06/2017   11:34:15   ( -80.84, 136.38) 06/06/2017   11:34:36  ( -80.83, 136.33)    1.24                21
 06/06/2017   12:25:13   (  80.84, -56.48) 06/06/2017   12:25:22  (  80.85, -56.63)    2.86                 9
 06/06/2017   13:16:16   ( -80.85, 111.09) 06/06/2017   13:16:06  ( -80.84, 110.92)    3.29                10
 06/06/2017   14:07:14   (  80.84, -81.76) 06/06/2017   14:06:51  (  80.83, -81.69)    1.96                23
 06/06/2017   14:58:18   ( -80.84,  85.44) 06/06/2017   14:57:36  ( -80.84,  85.51)    1.46                42
 06/06/2017   15:49:16   (  80.84,-107.41) 06/06/2017   15:48:22  (  80.85,-107.45)    1.45                54