Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 5 17.  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)
 05/22/2015   03:29:24   (  11.87, 149.98) 05/22/2015   03:28:54    (  11.58, 148.46)  167.66             30
 05/30/2015   02:40:21   (  14.94, 161.76) 05/30/2015   02:39:00    (  14.67, 160.42)  147.58             81
 06/01/2015   16:21:21   (  10.05, 140.15) 06/01/2015   16:17:52    (   5.42, 138.80)  535.55            209
 06/07/2015   03:27:50   (  10.11, 150.60) 06/07/2015   03:28:17    (   9.75, 148.85)  195.96             27