Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 4 9.  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   15:59:30   (  22.60, 147.45) 04/14/2017   16:01:30    (  23.23, 144.62)  298.06            120
 04/22/2017   15:09:49   (  22.59, 159.86) 04/22/2017   15:10:48    (  23.17, 157.29)  271.28             59
 04/25/2017   03:31:34   (  22.68, 147.57) 04/25/2017   03:28:04    (  26.21, 144.91)  476.19            210
 04/30/2017   15:58:59   (  22.63, 147.56) 04/30/2017   16:01:33    (  23.27, 144.62)  309.95            154