Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 25.  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)
 01/27/2018   15:59:39   (  22.63, 147.50) 01/27/2018   16:01:44    (  23.26, 144.56)  309.73            125
 02/04/2018   15:10:18   (  22.59, 159.85) 02/04/2018   15:10:55    (  23.14, 157.23)  274.95             37
 02/12/2018   15:59:48   (  22.62, 147.50) 02/12/2018   16:01:31    (  23.28, 144.60)  305.13            103
 02/20/2018   15:10:26   (  22.59, 159.85) 02/20/2018   15:10:42    (  23.17, 157.29)  270.63             16