Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 15.  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   (  22.59, 159.85) 12/21/2018   15:11:27    (  23.21, 157.14)  285.66             96
 12/24/2018   03:31:42   (  22.69, 147.52) 12/24/2018   03:28:12    (  24.40, 145.23)  300.92            210
 12/29/2018   15:59:19   (  22.60, 147.49) 12/29/2018   16:02:09    (  23.28, 144.47)  318.24            170
 01/06/2019   15:09:53   (  22.60, 159.85) 01/06/2019   15:11:23    (  23.22, 157.14)  286.04             90
 01/09/2019   03:31:43   (  22.66, 147.53) 01/09/2019   03:28:14    (  24.78, 145.13)  339.69            209