Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 7 11.  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)
 07/14/2021   15:59:13   (  22.58, 147.48) 07/14/2021   16:01:58    (  23.25, 144.51)  312.98            165
 07/22/2021   15:09:48   (  22.62, 159.84) 07/22/2021   15:11:19    (  23.23, 157.17)  280.98             91
 07/25/2021   03:31:39   (  22.65, 147.51) 07/25/2021   03:28:10    (  24.60, 145.19)  321.82            209
 07/30/2021   15:59:16   (  22.62, 147.47) 07/30/2021   16:02:08    (  23.31, 144.49)  314.46            172
 08/07/2021   15:09:51   (  22.63, 159.82) 08/07/2021   15:11:31    (  23.22, 157.14)  283.10            100