Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 5 18.  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)
 05/24/2017   15:09:54   (  22.63, 159.82) 05/24/2017   15:10:51    (  23.21, 157.30)  265.71             57
 05/27/2017   03:31:44   (  22.69, 147.49) 05/27/2017   03:28:14    (  26.66, 144.80)  519.05            210
 06/01/2017   15:59:19   (  22.62, 147.46) 06/01/2017   16:01:35    (  23.24, 144.63)  297.67            136
 06/09/2017   15:09:50   (  22.60, 159.81) 06/09/2017   15:10:51    (  23.14, 157.30)  264.99             61
 06/12/2017   03:31:39   (  22.64, 147.51) 06/12/2017   03:28:10    (  26.45, 144.86)  501.04            209