Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2018 9 7.  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)
 09/08/2018   15:59:48   (  22.62, 147.39) 09/08/2018   16:02:08    (  23.23, 144.61)  292.66            140
 09/16/2018   15:10:12   (  22.62, 159.78) 09/16/2018   15:11:28    (  23.16, 157.27)  263.60             76
 09/19/2018   03:32:00   (  22.67, 147.47) 09/19/2018   03:28:31    (  25.42, 145.09)  389.24            209
 09/24/2018   15:59:30   (  22.60, 147.44) 09/24/2018   16:02:16    (  23.25, 144.60)  299.77            166
 10/02/2018   15:09:53   (  22.61, 159.84) 10/02/2018   15:11:35    (  23.21, 157.27)  270.78            102