Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 7 1.  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)
 07/03/2017   15:59:05   (  22.61, 147.50) 07/03/2017   16:01:30    (  23.27, 144.68)  297.21            145
 07/11/2017   15:09:38   (  22.62, 159.85) 07/11/2017   15:10:45    (  23.15, 157.35)  262.83             67
 07/14/2017   03:31:29   (  22.68, 147.53) 07/14/2017   03:28:00    (  26.22, 144.98)  470.90            209
 07/19/2017   15:59:04   (  22.60, 147.49) 07/19/2017   16:01:26    (  23.23, 144.70)  293.70            142
 07/27/2017   15:09:36   (  22.60, 159.84) 07/27/2017   15:10:40    (  23.13, 157.38)  259.58             64