Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 12 8.  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)
 12/10/2017   15:59:16   (  22.61, 147.50) 12/10/2017   16:02:10    (  23.26, 144.48)  317.86            174
 12/18/2017   15:09:49   (  22.59, 159.87) 12/18/2017   15:11:23    (  23.22, 157.16)  286.62             94
 12/21/2017   03:31:38   (  22.66, 147.55) 12/21/2017   03:28:09    (  24.50, 145.23)  313.39            209
 12/26/2017   15:59:12   (  22.64, 147.55) 12/26/2017   16:02:02    (  23.32, 144.51)  320.50            170
 01/03/2018   15:09:42   (  22.61, 159.93) 01/03/2018   15:11:14    (  23.21, 157.18)  289.83             92