Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 9 6.  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)
 09/08/2021   15:09:49   (  22.62, 159.85) 09/08/2021   15:11:45    (  23.23, 157.13)  286.83            116
 09/11/2021   03:31:40   (  22.65, 147.52) 09/11/2021   03:28:11    (  23.17, 145.50)  214.49            209
 09/16/2021   15:59:17   (  22.62, 147.48) 09/16/2021   16:02:33    (  23.29, 144.45)  319.75            196
 09/24/2021   15:09:50   (  22.60, 159.84) 09/24/2021   15:11:52    (  23.21, 157.11)  288.01            122
 09/27/2021   03:31:40   (  22.69, 147.52) 09/27/2021   03:28:10    (  22.75, 145.60)  196.78            210
 10/02/2021   15:59:14   (  22.64, 147.50) 10/02/2021   16:02:37    (  23.34, 144.46)  321.52            203