Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 11 21.  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)
 11/24/2013   03:32:33   (  22.66, 147.32) 11/24/2013   03:29:04    (  23.82, 145.49)  227.58            209
 11/29/2013   16:00:03   (  22.61, 147.31) 11/29/2013   16:03:23    (  23.21, 144.59)  286.73            200
 12/02/2013   02:42:56   (  22.65, 159.73) 12/02/2013   02:39:27    (  27.01, 157.33)  541.85            209
 12/07/2013   15:10:18   (  22.63, 159.76) 12/07/2013   15:12:50    (  23.19, 157.26)  263.64            152
 12/10/2013   03:31:30   (  20.81, 147.90) 12/10/2013   03:28:31    (  20.48, 146.30)  171.04            179
 12/15/2013   15:59:16   (  22.62, 147.53) 12/15/2013   16:02:45    (  26.68, 145.47)  496.81            209
 12/18/2013   02:42:02   (  22.66, 159.97) 12/18/2013   02:38:33    (  22.73, 158.43)  158.50            209