Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 26.  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)
 06/28/2021   15:59:08   (  22.61, 147.50) 06/28/2021   16:01:46    (  23.26, 144.54)  311.32            158
 07/06/2021   15:09:38   (  22.64, 159.88) 07/06/2021   15:11:08    (  23.22, 157.20)  281.87             90
 07/09/2021   03:31:28   (  22.69, 147.55) 07/09/2021   03:27:58    (  24.55, 145.23)  314.25            210
 07/14/2021   15:59:01   (  22.60, 147.53) 07/14/2021   16:01:58    (  23.28, 144.51)  318.03            177
 07/22/2021   15:09:29   (  22.62, 159.91) 07/22/2021   15:11:20    (  23.22, 157.16)  289.28            111