Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 4 1.  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)
 04/12/2014   15:50:50   (  22.60, 153.17) 04/12/2014   15:53:54    (  23.85, 147.81)  565.15            184
 04/13/2014   03:07:10   (  22.66, 156.61) 04/13/2014   03:06:40    (  21.75, 152.21)  464.56             30
 04/13/2014   15:43:18   (  10.02, 152.91) 04/13/2014   15:39:41    (   6.99, 148.55)  586.03            217
 04/25/2014   15:08:11   (  22.63, 163.97) 04/25/2014   15:09:56    (  23.82, 158.87)  537.73            105
 04/26/2014   04:06:34   (  22.67, 141.89) 04/26/2014   04:04:13    (  21.85, 137.88)  423.12            141