Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 9 17.  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)
 09/21/2017   15:59:04   (  22.62, 147.48) 09/21/2017   16:02:17    (  23.28, 144.58)  306.44            193
 09/29/2017   15:09:41   (  22.59, 159.82) 09/29/2017   15:11:38    (  23.19, 157.23)  273.63            117
 10/02/2017   03:31:32   (  22.65, 147.50) 10/02/2017   03:28:03    (  23.15, 145.63)  200.23            209
 10/07/2017   15:59:09   (  22.63, 147.46) 10/07/2017   16:02:26    (  23.26, 144.55)  305.98            197