Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 10 14.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 10/15/2013   02:42:21   (  22.65, 159.86) 10/15/2013   02:38:52    (  26.78, 157.32)  526.15            209
 10/20/2013   15:09:50   (  22.58, 159.85) 10/20/2013   15:12:15    (  23.17, 157.20)  278.71            145
 10/23/2013   03:31:16   (  21.51, 147.82) 10/23/2013   03:28:06    (  21.16, 146.08)  184.37            190
 10/28/2013   15:58:59   (  22.60, 147.56) 10/28/2013   16:02:27    (  25.31, 145.07)  393.56            208
 10/31/2013   02:41:50   (  22.68, 159.98) 10/31/2013   02:38:20    (  24.43, 157.96)  283.33            210
 11/05/2013   15:09:10   (  22.59, 160.01) 11/05/2013   15:12:21    (  23.20, 157.24)  292.28            191
 11/08/2013   03:29:45   (  18.64, 148.67) 11/08/2013   03:27:22    (  18.24, 146.83)  199.20            143