Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 4 9.  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)
 04/09/2021   15:59:16   (  22.62, 147.48) 04/09/2021   16:01:08    (  23.27, 144.64)  300.33            112
 04/17/2021   15:09:48   (  22.60, 159.84) 04/17/2021   15:10:22    (  23.15, 157.31)  266.61             34
 04/25/2021   15:59:11   (  22.58, 147.49) 04/25/2021   16:01:02    (  23.18, 144.65)  298.16            111
 05/03/2021   15:09:39   (  22.63, 159.87) 05/03/2021   15:10:12    (  23.20, 157.37)  264.63             33