Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2016 4 14.  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)
 04/19/2016   15:10:56   (  22.59, 159.63) 04/19/2016   15:12:03    (  23.12, 157.26)  249.87             67
 04/22/2016   03:32:47   (  22.70, 147.31) 04/22/2016   03:29:17    (  26.14, 144.93)  453.05            210
 04/27/2016   16:00:22   (  22.63, 147.27) 04/27/2016   16:02:48    (  23.21, 144.58)  283.33            146
 05/05/2016   15:10:53   (  22.61, 159.63) 05/05/2016   15:12:05    (  23.15, 157.24)  252.80             72
 05/08/2016   03:32:42   (  22.69, 147.32) 05/08/2016   03:29:12    (  25.74, 145.00)  412.60            210