Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 8 6.  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, -80.07) 08/19/2015   01:48:48  ( -81.04, -80.00)    1.31                62
 08/19/2015   02:38:41   (  81.04,  87.42) 08/19/2015   02:39:33  (  81.05,  87.24)    3.20                52
 08/19/2015   03:29:48   ( -81.04,-105.37) 08/19/2015   03:30:18  ( -81.05,-105.43)    1.26                30
 08/19/2015   04:20:43   (  81.04,  62.12) 08/19/2015   04:21:02  (  81.03,  62.17)    1.01                19
 08/19/2015   05:11:50   ( -81.04,-130.67) 08/19/2015   05:11:47  ( -81.03,-130.50)    3.00                 3
 08/19/2015   06:02:45   (  81.04,  36.82) 08/19/2015   06:02:32  (  81.04,  36.73)    1.47                13
 08/19/2015   06:53:52   ( -81.04,-155.97) 08/19/2015   06:53:17  ( -81.04,-155.94)    0.60                35
 08/19/2015   07:44:48   (  81.04,  11.14) 08/19/2015   07:44:02  (  81.04,  11.30)    2.72                46