Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2015 9 7.  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)
 09/14/2015   10:27:14   ( -81.04, 150.15) 09/14/2015   10:28:28  ( -81.04, 150.05)    1.64                74
 09/14/2015   11:18:14   (  81.04, -42.53) 09/14/2015   11:19:13  (  81.04, -42.58)    0.94                59
 09/14/2015   12:09:17   ( -81.04, 124.45) 09/14/2015   12:09:58  ( -81.04, 124.61)    2.79                41
 09/14/2015   13:00:16   (  81.04, -67.84) 09/14/2015   13:00:43  (  81.04, -68.02)    3.17                27
 09/14/2015   13:51:19   ( -81.04,  99.13) 09/14/2015   13:51:28  ( -81.05,  99.17)    0.81                 9
 09/14/2015   14:42:19   (  81.04, -93.53) 09/14/2015   14:42:13  (  81.04, -93.46)    1.17                 6
 09/14/2015   15:33:20   ( -81.04,  74.19) 09/14/2015   15:32:57  ( -81.03,  74.09)    1.76                23
 09/14/2015   16:24:21   (  81.04,-118.84) 09/14/2015   16:23:43  (  81.05,-118.91)    1.40                38
 09/14/2015   17:15:23   ( -81.04,  48.49) 09/14/2015   17:14:27  ( -81.04,  48.65)    2.72                56