Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 1 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)
 01/19/2017   03:31:30   (  22.70, 147.52) 01/19/2017   03:28:00    (  23.75, 145.41)  245.61            210
 01/24/2017   15:59:09   (  22.60, 147.50) 01/24/2017   16:02:07    (  23.26, 144.49)  316.67            178
 02/01/2017   15:09:46   (  22.62, 159.85) 02/01/2017   15:11:18    (  23.24, 157.18)  282.53             92
 02/04/2017   03:31:38   (  22.69, 147.51) 02/04/2017   03:28:08    (  24.73, 145.18)  327.87            210
 02/09/2017   15:59:16   (  22.62, 147.49) 02/09/2017   16:01:58    (  23.30, 144.52)  313.75            162