Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 1 24.  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   (  22.64, 147.50) 01/27/2018   16:01:44    (  23.27, 144.56)  309.72            125
 02/04/2018   15:10:18   (  22.58, 159.85) 02/04/2018   15:10:55    (  23.15, 157.24)  275.05             37
 02/12/2018   15:59:48   (  22.60, 147.49) 02/12/2018   16:01:32    (  23.24, 144.59)  305.46            104
 02/20/2018   15:10:24   (  22.61, 159.86) 02/20/2018   15:10:41    (  23.19, 157.29)  271.12             17