Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 4 20.  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)
 04/22/2017   15:10:03   (  22.63, 159.81) 04/22/2017   15:10:48    (  23.16, 157.29)  264.98             45
 04/25/2017   03:31:53   (  22.69, 147.49) 04/25/2017   03:28:23    (  27.33, 144.62)  591.57            210
 04/30/2017   15:59:26   (  22.63, 147.45) 04/30/2017   16:01:32    (  23.29, 144.63)  298.31            126
 05/08/2017   15:09:55   (  22.60, 159.82) 05/08/2017   15:10:50    (  23.17, 157.28)  267.22             55
 05/11/2017   03:31:43   (  22.67, 147.51) 05/11/2017   03:28:13    (  26.65, 144.79)  520.70            210
 05/16/2017   15:59:16   (  22.58, 147.47) 05/16/2017   16:01:35    (  23.25, 144.61)  301.70            139