Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 22.  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   03:31:41   (  22.66, 147.53) 12/24/2018   03:28:12    (  24.43, 145.23)  306.53            209
 12/29/2018   15:59:20   (  22.58, 147.48) 12/29/2018   16:02:10    (  23.25, 144.46)  318.60            170
 01/06/2019   15:09:54   (  22.61, 159.85) 01/06/2019   15:11:23    (  23.24, 157.14)  286.22             89
 01/09/2019   03:31:45   (  22.68, 147.52) 01/09/2019   03:28:15    (  24.82, 145.12)  340.64            210
 01/14/2019   15:59:21   (  22.61, 147.49) 01/14/2019   16:02:04    (  23.31, 144.47)  319.07            163