Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 8.  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   15:59:11   (  22.60, 147.49) 06/12/2021   16:01:32    (  23.26, 144.59)  306.04            141
 06/20/2021   15:09:44   (  22.58, 159.84) 06/20/2021   15:10:53    (  23.19, 157.24)  275.07             69
 06/23/2021   03:31:33   (  22.65, 147.54) 06/23/2021   03:28:04    (  25.84, 144.95)  441.88            209
 06/28/2021   15:59:09   (  22.59, 147.49) 06/28/2021   16:01:42    (  23.22, 144.55)  309.35            153