Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 18.  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   (  22.60, 159.85) 12/21/2018   15:11:27    (  23.21, 157.15)  285.62             96
 12/24/2018   03:31:42   (  22.68, 147.52) 12/24/2018   03:28:12    (  24.40, 145.24)  301.39            210
 12/29/2018   15:59:19   (  22.62, 147.49) 12/29/2018   16:02:09    (  23.28, 144.47)  318.08            170
 01/06/2019   15:09:54   (  22.58, 159.84) 01/06/2019   15:11:24    (  23.15, 157.12)  285.83             90
 01/09/2019   03:31:44   (  22.66, 147.53) 01/09/2019   03:28:15    (  24.84, 145.12)  344.69            209
 01/14/2019   15:59:21   (  22.62, 147.50) 01/14/2019   16:02:05    (  23.30, 144.47)  318.49            164