Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 2 9.  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   (  22.61, 147.50) 02/12/2018   16:01:32    (  23.23, 144.59)  305.25            104
 02/20/2018   15:10:25   (  22.64, 159.87) 02/20/2018   15:10:42    (  23.19, 157.30)  270.74             17
 02/28/2018   15:59:54   (  22.62, 147.51) 02/28/2018   16:01:19    (  23.25, 144.65)  301.66             85
 03/08/2018   15:10:28   (  22.67, 159.90) 03/08/2018   15:10:28    (  23.18, 157.34)  267.67              0