Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 5 25.  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)
 06/03/2014   03:49:48   (  18.17, 147.31) 06/03/2014   03:51:05    (  16.96, 142.26)  552.14             77
 06/03/2014   16:26:15   (  13.00, 143.22) 06/03/2014   16:23:30    (  13.90, 139.03)  464.35            165
 06/16/2014   03:07:52   (  22.03, 157.25) 06/16/2014   03:08:03    (  20.91, 152.42)  514.91             11
 06/16/2014   15:44:01   (  10.04, 153.44) 06/16/2014   15:40:25    (  10.14, 149.28)  455.53            216