Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 15.  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)
 03/18/2013   15:59:53   (  22.58, 147.42) 03/18/2013   16:00:48    (  23.26, 144.47)  311.73             55
 03/26/2013   15:10:44   (  21.72, 159.58) 03/26/2013   15:10:28    (  22.25, 156.88)  284.25             16
 04/03/2013   15:59:54   (  22.60, 147.45) 04/03/2013   16:01:02    (  23.28, 144.44)  317.57             68
 04/11/2013   15:10:21   (  22.62, 159.86) 04/11/2013   15:10:24    (  23.26, 157.11)  290.66              3