Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2016 4 15.  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   (  22.60, 159.63) 04/19/2016   15:12:03    (  23.11, 157.26)  249.78             67
 04/22/2016   03:32:47   (  22.68, 147.31) 04/22/2016   03:29:17    (  26.15, 144.92)  455.74            210
 04/27/2016   16:00:23   (  22.61, 147.27) 04/27/2016   16:02:48    (  23.19, 144.58)  283.00            145
 05/05/2016   15:10:55   (  22.60, 159.62) 05/05/2016   15:12:05    (  23.12, 157.23)  251.92             70
 05/08/2016   03:32:44   (  22.67, 147.31) 05/08/2016   03:29:15    (  25.95, 144.95)  436.10            209