Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2012 10 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)
 11/03/2012   02:19:34   (  19.12, 165.51) 11/03/2012   02:20:35    (  18.47, 162.68)  306.09             61
 11/03/2012   04:01:46   (  19.53, 139.89) 11/03/2012   04:02:12    (  18.89, 137.21)  290.29             26
 11/03/2012   14:56:28   (  11.29, 161.15) 11/03/2012   14:53:12    (  11.69, 159.26)  210.34            196
 11/15/2012   03:31:28   (  11.74, 148.81) 11/15/2012   03:34:35    (  10.98, 145.41)  380.41            187
 11/15/2012   16:08:27   (  18.50, 144.39) 11/15/2012   16:07:15    (  19.00, 141.95)  263.06             72
 11/16/2012   03:23:45   (  22.69, 148.87) 11/16/2012   03:20:08    (  27.09, 146.24)  557.01            217
 11/27/2012   15:39:13   (  22.61, 152.46) 11/27/2012   15:40:34    (  23.30, 149.37)  325.72             81
 11/28/2012   02:55:40   (  22.67, 155.92) 11/28/2012   02:53:17    (  22.23, 153.85)  219.18            143