Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 5 6.  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)
 05/14/2015   02:41:52   (  17.54, 161.01) 05/14/2015   02:39:48    (  17.29, 159.84)  126.63            124
 05/22/2015   03:29:34   (  12.14, 149.89) 05/22/2015   03:28:59    (  11.82, 148.41)  165.78             35
 05/30/2015   02:40:44   (  15.60, 161.56) 05/30/2015   02:39:12    (  15.33, 160.25)  142.96             92