Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 12 29.  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   (  17.71, 154.79) 01/01/2014   03:15:23    (  16.66, 150.34)  486.99             85
 01/01/2014   15:50:44   (  12.92, 150.52) 01/01/2014   15:47:57    (  13.69, 146.98)  392.63            167
 01/13/2014   15:17:20   (  22.63, 160.66) 01/13/2014   15:19:57    (  23.77, 155.77)  515.26            157
 01/14/2014   02:33:45   (  22.65, 164.08) 01/14/2014   02:32:43    (  21.85, 160.18)  412.07             62
 01/14/2014   04:14:45   (  18.93, 139.50) 01/14/2014   04:13:10    (  18.16, 135.71)  409.25             95
 01/26/2014   03:41:32   (  10.09, 149.39) 01/26/2014   03:45:08    (   8.06, 144.41)  591.35            216
 01/26/2014   16:17:52   (  21.73, 145.48) 01/26/2014   16:17:36    (  22.63, 141.22)  450.17             16
 01/27/2014   03:34:05   (  22.69, 149.11) 01/27/2014   03:30:28    (  23.35, 145.53)  373.64            217