Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 9 4.  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   15:09:50   (  22.59, 159.84) 09/08/2021   15:11:46    (  23.20, 157.12)  286.94            116
 09/11/2021   03:31:41   (  22.68, 147.51) 09/11/2021   03:28:11    (  23.14, 145.51)  211.38            210
 09/16/2021   15:59:17   (  22.59, 147.48) 09/16/2021   16:02:33    (  23.25, 144.44)  319.86            196
 09/24/2021   15:09:49   (  22.63, 159.85) 09/24/2021   15:11:51    (  23.23, 157.12)  287.90            122
 09/27/2021   03:31:39   (  22.67, 147.53) 09/27/2021   03:28:10    (  22.79, 145.59)  198.77            209