Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 4 22.  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)
 04/25/2021   15:59:14   (  22.58, 147.48) 04/25/2021   16:01:01    (  23.23, 144.67)  296.78            107
 05/03/2021   15:09:44   (  22.61, 159.85) 05/03/2021   15:10:12    (  23.19, 157.37)  262.55             28
 05/11/2021   15:59:06   (  22.63, 147.51) 05/11/2021   16:00:51    (  23.23, 144.71)  293.81            105
 05/19/2021   15:09:35   (  22.62, 159.88) 05/19/2021   15:10:02    (  23.20, 157.42)  260.47             27