Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 9 30.  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)
 10/04/2013   15:08:17   (  22.59, 162.06) 10/04/2013   15:11:52    (  23.91, 157.37)  500.75            215
 10/05/2013   02:24:49   (  22.65, 165.47) 10/05/2013   02:24:41    (  21.88, 161.74)  393.41              8
 10/05/2013   04:06:54   (  22.69, 139.95) 10/05/2013   04:06:12    (  21.94, 136.35)  378.91             42
 10/05/2013   15:00:53   (  10.00, 161.77) 10/05/2013   14:57:16    (   8.38, 158.42)  409.72            217
 10/17/2013   03:33:24   (  10.08, 150.56) 10/17/2013   03:37:00    (   8.04, 145.99)  550.49            216
 10/17/2013   16:09:38   (  21.97, 146.70) 10/17/2013   16:09:26    (  22.74, 142.81)  409.31             12
 10/18/2013   03:26:00   (  22.66, 150.27) 10/18/2013   03:22:24    (  23.59, 147.05)  345.12            216