Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 10.  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)
 06/12/2021   15:59:10   (  22.64, 147.50) 06/12/2021   16:01:31    (  23.30, 144.60)  305.87            141
 06/20/2021   15:09:43   (  22.61, 159.85) 06/20/2021   15:10:52    (  23.22, 157.25)  274.99             69
 06/23/2021   03:31:33   (  22.68, 147.53) 06/23/2021   03:28:03    (  25.81, 144.96)  434.92            210
 06/28/2021   15:59:08   (  22.60, 147.49) 06/28/2021   16:01:41    (  23.24, 144.56)  309.37            153
 07/06/2021   15:09:40   (  22.58, 159.86) 07/06/2021   15:11:02    (  23.19, 157.22)  278.95             82