Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 4 18.  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   (  22.62, 159.81) 04/22/2017   15:10:48    (  23.15, 157.29)  265.00             45
 04/25/2017   03:31:53   (  22.70, 147.49) 04/25/2017   03:28:23    (  27.34, 144.62)  591.87            210
 04/30/2017   15:59:26   (  22.64, 147.45) 04/30/2017   16:01:32    (  23.28, 144.63)  298.20            126
 05/08/2017   15:09:56   (  22.62, 159.82) 05/08/2017   15:10:50    (  23.21, 157.29)  266.92             54
 05/11/2017   03:31:43   (  22.65, 147.51) 05/11/2017   03:28:14    (  26.74, 144.77)  531.97            209