Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 8 9.  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)
 08/19/2015   01:47:46   ( -81.04, -79.92) 08/19/2015   01:48:48  ( -81.04, -79.96)    0.65                62
 08/19/2015   02:38:42   (  81.04,  87.20) 08/19/2015   02:39:33  (  81.05,  87.29)    1.56                51
 08/19/2015   03:29:48   ( -81.04,-105.23) 08/19/2015   03:30:18  ( -81.05,-105.40)    3.07                30
 08/19/2015   04:20:43   (  81.04,  62.28) 08/19/2015   04:21:02  (  81.03,  62.22)    1.17                19
 08/19/2015   05:11:50   ( -81.04,-130.53) 08/19/2015   05:11:47  ( -81.03,-130.47)    1.12                 3
 08/19/2015   06:02:46   (  81.04,  36.60) 08/19/2015   06:02:32  (  81.04,  36.78)    3.13                14
 08/19/2015   06:53:52   ( -81.04,-155.83) 08/19/2015   06:53:17  ( -81.04,-155.91)    1.37                35
 08/19/2015   07:44:48   (  81.04,  11.30) 08/19/2015   07:44:02  (  81.04,  11.34)    0.72                46