Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2012 11 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)
 11/27/2012   15:38:59   (  22.64, 152.55) 11/27/2012   15:40:44    (  23.33, 149.36)  336.19            105
 11/28/2012   02:55:25   (  22.65, 156.01) 11/28/2012   02:53:26    (  22.17, 153.83)  229.96            119
 12/09/2012   15:10:44   (  22.63, 159.65) 12/09/2012   15:14:20    (  26.72, 156.59)  549.99            216
 12/10/2012   02:26:25   (  19.96, 163.78) 12/10/2012   02:27:12    (  19.32, 160.89)  311.27             47
 12/10/2012   04:06:49   (  14.09, 139.69) 12/10/2012   04:07:02    (  13.46, 136.91)  308.02             13
 12/10/2012   15:03:25   (  10.24, 159.38) 12/10/2012   14:59:52    (  10.65, 157.44)  217.01            213
 12/22/2012   03:38:06   (  12.50, 147.17) 12/22/2012   03:41:01    (  11.70, 143.70)  387.90            175
 12/22/2012   16:15:02   (  17.84, 142.78) 12/22/2012   16:13:39    (  18.38, 140.26)  272.84             83