Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 3 18.  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)
 03/24/2021   15:59:18   (  22.59, 147.49) 03/24/2021   16:01:15    (  23.25, 144.60)  305.20            117
 04/01/2021   15:09:49   (  22.59, 159.86) 04/01/2021   15:10:28    (  23.18, 157.28)  272.00             39
 04/09/2021   15:59:12   (  22.59, 147.51) 04/09/2021   16:01:08    (  23.25, 144.63)  304.16            116