Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 12 12.  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)
 12/13/2018   15:59:14   (  22.61, 147.50) 12/13/2018   16:02:11    (  23.30, 144.48)  318.35            177
 12/21/2018   15:09:46   (  22.62, 159.88) 12/21/2018   15:11:27    (  23.22, 157.14)  287.52            101
 12/24/2018   03:31:35   (  22.70, 147.55) 12/24/2018   03:28:05    (  24.05, 145.33)  272.18            210
 12/29/2018   15:59:10   (  22.58, 147.52) 12/29/2018   16:02:09    (  23.27, 144.47)  322.12            179
 01/06/2019   15:09:39   (  22.61, 159.91) 01/06/2019   15:11:22    (  23.24, 157.15)  291.61            103
 01/09/2019   03:31:28   (  22.68, 147.59) 01/09/2019   03:27:58    (  23.89, 145.36)  263.88            210