Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 4 6.  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)
 04/14/2017   15:59:29   (  22.62, 147.46) 04/14/2017   16:01:29    (  23.25, 144.63)  297.93            120
 04/22/2017   15:09:49   (  22.62, 159.86) 04/22/2017   15:10:48    (  23.18, 157.29)  271.10             59
 04/25/2017   03:31:33   (  22.66, 147.57) 04/25/2017   03:28:04    (  26.26, 144.90)  483.69            209
 04/30/2017   15:59:00   (  22.59, 147.55) 04/30/2017   16:01:33    (  23.27, 144.62)  309.94            153