Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 23.  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)
 12/24/2018   03:31:42   (  22.68, 147.53) 12/24/2018   03:28:12    (  24.39, 145.24)  301.26            210
 12/29/2018   15:59:19   (  22.61, 147.49) 12/29/2018   16:02:09    (  23.28, 144.47)  318.13            170
 01/06/2019   15:09:53   (  22.61, 159.86) 01/06/2019   15:11:23    (  23.22, 157.14)  285.89             90
 01/09/2019   03:31:44   (  22.69, 147.52) 01/09/2019   03:28:14    (  24.77, 145.14)  335.25            210
 01/14/2019   15:59:19   (  22.63, 147.50) 01/14/2019   16:02:04    (  23.31, 144.48)  318.92            165