Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 6 13.  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)
 06/16/2014   03:07:52   (  22.05, 157.25) 06/16/2014   03:08:03    (  20.90, 152.43)  515.15             11
 06/16/2014   15:44:01   (  10.01, 153.44) 06/16/2014   15:40:24    (  10.19, 149.30)  453.99            217
 06/28/2014   15:08:26   (  22.60, 164.62) 06/28/2014   15:11:19    (  23.94, 158.97)  595.56            173
 06/29/2014   04:06:58   (  22.69, 142.50) 06/29/2014   04:05:37    (  21.80, 137.96)  477.72             81
 07/11/2014   16:07:16   (  22.63, 150.06) 07/11/2014   16:08:37    (  23.86, 144.72)  562.56             81
 07/12/2014   03:23:43   (  22.66, 153.46) 07/12/2014   03:21:23    (  21.78, 149.11)  458.97            140