Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 17.  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)
 12/21/2018   15:09:51   (  22.61, 159.86) 12/21/2018   15:11:27    (  23.23, 157.15)  285.61             96
 12/24/2018   03:31:41   (  22.68, 147.53) 12/24/2018   03:28:11    (  24.39, 145.24)  300.83            210
 12/29/2018   15:59:19   (  22.61, 147.49) 12/29/2018   16:02:09    (  23.29, 144.47)  318.25            170
 01/06/2019   15:09:53   (  22.60, 159.85) 01/06/2019   15:11:23    (  23.22, 157.14)  286.14             90
 01/09/2019   03:31:43   (  22.66, 147.53) 01/09/2019   03:28:14    (  24.77, 145.14)  338.57            209