Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2017 4 19.  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)
 04/26/2017   13:33:54   (  80.86, -74.14) 04/26/2017   13:35:07  (  80.86, -74.32)    3.16                73
 04/26/2017   14:24:58   ( -80.86,  93.14) 04/26/2017   14:25:52  ( -80.86,  93.01)    2.34                54
 04/26/2017   15:15:56   (  80.86, -99.78) 04/26/2017   15:16:37  (  80.86, -99.73)    1.36                41
 04/26/2017   16:07:00   ( -80.86,  67.51) 04/26/2017   16:07:22  ( -80.86,  67.60)    1.83                22
 04/26/2017   16:57:57   (  80.86,-125.05) 04/26/2017   16:58:07  (  80.87,-125.13)    1.49                10
 04/26/2017   17:49:01   ( -80.86,  42.24) 04/26/2017   17:48:52  ( -80.87,  42.20)    0.83                 9
 04/26/2017   18:39:59   (  80.86,-150.69) 04/26/2017   18:39:37  (  80.87,-150.54)    2.92                22
 04/26/2017   19:31:02   ( -80.87,  16.97) 04/26/2017   19:30:22  ( -80.87,  16.79)    3.25                40
 04/26/2017   20:22:00   (  80.86,-175.96) 04/26/2017   20:21:07  (  80.87,-175.94)    0.68                53