Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 12 20.  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   03:13:57   (  17.71, 154.79) 01/01/2014   03:15:22    (  16.66, 150.34)  487.07             85
 01/01/2014   15:50:43   (  12.91, 150.52) 01/01/2014   15:47:56    (  13.70, 146.98)  392.69            167
 01/13/2014   15:17:18   (  22.58, 160.65) 01/13/2014   15:19:55    (  23.72, 155.76)  515.42            157
 01/14/2014   02:33:42   (  22.65, 164.09) 01/14/2014   02:32:40    (  21.85, 160.18)  412.07             62
 01/14/2014   04:14:42   (  18.93, 139.51) 01/14/2014   04:13:07    (  18.16, 135.72)  409.24             95