Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2016 5 5.  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)
 05/10/2016   21:43:51   (  81.00, 160.65) 05/10/2016   21:44:59  (  81.01, 160.74)    1.74                68
 05/10/2016   22:34:56   ( -81.00, -31.89) 05/10/2016   22:35:44  ( -81.01, -32.03)    2.64                48
 05/10/2016   23:25:53   (  81.00, 135.18) 05/10/2016   23:26:29  (  81.01, 135.33)    2.75                36
 05/11/2016   00:16:58   ( -81.00, -57.36) 05/11/2016   00:17:14  ( -81.01, -57.44)    1.69                16
 05/11/2016   01:07:54   (  81.00, 110.09) 05/11/2016   01:07:59  (  81.01, 109.93)    2.92                 5
 05/11/2016   01:59:00   ( -81.00, -82.83) 05/11/2016   01:58:44  ( -81.01, -82.85)    1.07                16
 05/11/2016   02:49:56   (  81.00,  84.62) 05/11/2016   02:49:29  (  81.01,  84.52)    1.97                27
 05/11/2016   03:41:01   ( -81.01,-107.92) 05/11/2016   03:40:13  ( -81.00,-107.89)    0.97                48