Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 7 16.  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)
 07/19/2017   15:59:04   (  22.59, 147.49) 07/19/2017   16:01:27    (  23.22, 144.70)  294.07            143
 07/27/2017   15:09:34   (  22.63, 159.87) 07/27/2017   15:10:40    (  23.18, 157.40)  260.33             66
 07/30/2017   03:31:24   (  22.69, 147.54) 07/30/2017   03:27:54    (  26.15, 145.03)  460.94            210
 08/04/2017   15:58:57   (  22.60, 147.51) 08/04/2017   16:01:21    (  23.23, 144.74)  292.26            144
 08/12/2017   15:09:25   (  22.62, 159.89) 08/12/2017   15:10:34    (  23.15, 157.42)  259.37             69