Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 19.  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   15:09:50   (  22.64, 159.86) 12/21/2018   15:11:26    (  23.25, 157.15)  285.50             96
 12/24/2018   03:31:41   (  22.65, 147.53) 12/24/2018   03:28:12    (  24.42, 145.23)  306.59            209
 12/29/2018   15:59:19   (  22.59, 147.49) 12/29/2018   16:02:09    (  23.26, 144.47)  318.21            170
 01/06/2019   15:09:54   (  22.61, 159.85) 01/06/2019   15:11:24    (  23.21, 157.14)  285.85             90
 01/09/2019   03:31:45   (  22.69, 147.52) 01/09/2019   03:28:15    (  24.78, 145.13)  336.21            210
 01/14/2019   15:59:21   (  22.60, 147.49) 01/14/2019   16:02:06    (  23.26, 144.46)  318.90            165