Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 12 30.  Predictions up to the next  30.0 days:

Date(NOAA-19)     Time(NOAA-19)   NOAA-19 Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 01/01/2014   03:13:58   (  17.70, 154.79) 01/01/2014   03:15:23    (  16.66, 150.34)  487.00             85
 01/01/2014   15:50:44   (  12.92, 150.52) 01/01/2014   15:47:57    (  13.70, 146.98)  392.64            167
 01/13/2014   15:17:21   (  22.59, 160.65) 01/13/2014   15:19:57    (  23.73, 155.76)  515.06            156
 01/14/2014   02:33:46   (  22.69, 164.07) 01/14/2014   02:32:43    (  21.89, 160.17)  411.54             63
 01/14/2014   04:14:45   (  18.91, 139.51) 01/14/2014   04:13:09    (  18.14, 135.72)  408.89             96
 01/26/2014   03:41:35   (  10.12, 149.38) 01/26/2014   03:45:11    (   8.37, 144.35)  584.55            216
 01/26/2014   16:17:58   (  21.53, 145.42) 01/26/2014   16:17:38    (  22.37, 141.16)  448.90             20
 01/27/2014   03:34:07   (  22.65, 149.11) 01/27/2014   03:30:30    (  23.61, 145.48)  386.87            217