Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 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)
 06/07/2021   03:31:34   (  22.68, 147.53) 06/07/2021   03:28:04    (  26.45, 144.81)  500.96            210
 06/12/2021   15:59:11   (  22.59, 147.48) 06/12/2021   16:01:32    (  23.25, 144.58)  306.06            141
 06/20/2021   15:09:43   (  22.63, 159.85) 06/20/2021   15:10:52    (  23.24, 157.25)  274.92             69
 06/23/2021   03:31:33   (  22.67, 147.53) 06/23/2021   03:28:04    (  25.86, 144.94)  441.49            209
 06/28/2021   15:59:08   (  22.62, 147.50) 06/28/2021   16:01:41    (  23.25, 144.56)  309.25            153