Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 16.  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   15:59:52   (  22.62, 147.43) 03/18/2013   16:00:47    (  23.30, 144.48)  311.62             55
 03/26/2013   15:10:45   (  21.68, 159.57) 03/26/2013   15:10:29    (  22.22, 156.88)  284.46             16
 04/03/2013   15:59:54   (  22.62, 147.46) 04/03/2013   16:01:02    (  23.31, 144.45)  317.73             68
 04/11/2013   15:10:20   (  22.63, 159.87) 04/11/2013   15:10:24    (  23.24, 157.10)  290.80              4