Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 8.  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)
 02/12/2018   15:59:48   (  22.63, 147.50) 02/12/2018   16:01:32    (  23.25, 144.60)  305.19            104
 02/20/2018   15:10:25   (  22.59, 159.86) 02/20/2018   15:10:42    (  23.15, 157.29)  270.91             17
 02/28/2018   15:59:54   (  22.63, 147.52) 02/28/2018   16:01:19    (  23.26, 144.65)  301.71             85