Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 23.  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)
 06/27/2012   15:10:59   (  19.31, 159.02) 06/27/2012   15:10:03    (  19.78, 156.48)  271.63             56
 07/05/2012   16:00:28   (  21.25, 146.95) 07/05/2012   16:00:04    (  21.75, 144.31)  279.45             24
 07/11/2012   03:11:10   (  10.10, 154.61) 07/11/2012   03:14:38    (   8.30, 150.90)  454.40            208
 07/13/2012   15:14:34   (  12.35, 157.02) 07/13/2012   15:11:43    (  12.77, 154.88)  237.16            171
 07/19/2012   02:25:38   (  19.17, 164.59) 07/19/2012   02:26:36    (  18.47, 161.25)  360.28             58
 07/19/2012   04:02:02   (  10.11, 141.88) 07/19/2012   04:04:57    (   7.38, 138.45)  484.76            175