Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 4 23.  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   (  22.59, 147.48) 04/25/2021   16:01:01    (  23.24, 144.67)  296.75            107
 05/03/2021   15:09:44   (  22.62, 159.85) 05/03/2021   15:10:12    (  23.20, 157.37)  262.46             28
 05/11/2021   15:59:07   (  22.60, 147.50) 05/11/2021   16:00:52    (  23.19, 144.70)  293.84            105
 05/19/2021   15:09:36   (  22.62, 159.88) 05/19/2021   15:10:03    (  23.18, 157.41)  260.34             27