Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 9 29.  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)
 10/01/2012   15:10:42   (  19.28, 159.00) 10/01/2012   15:09:46    (  19.81, 156.46)  271.65             56
 10/07/2012   02:23:24   (  16.02, 165.58) 10/07/2012   02:25:14    (  13.28, 162.38)  459.72            110
 10/09/2012   16:04:26   (  13.81, 144.70) 10/09/2012   16:01:59    (  14.25, 142.48)  244.72            147
 10/15/2012   03:19:16   (  22.67, 150.52) 10/15/2012   03:18:20    (  22.09, 147.61)  306.64             56
 10/20/2012   15:51:35   (  22.61, 149.29) 10/20/2012   15:52:52    (  23.27, 146.29)  316.46             77
 10/26/2012   03:10:56   (  21.27, 152.82) 10/26/2012   03:11:19    (  20.57, 149.62)  340.77             23