Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 7 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)
 07/09/2021   03:31:34   (  22.69, 147.52) 07/09/2021   03:28:04    (  24.97, 145.13)  351.46            210
 07/14/2021   15:59:13   (  22.58, 147.48) 07/14/2021   16:01:58    (  23.25, 144.51)  312.95            165
 07/22/2021   15:09:48   (  22.62, 159.83) 07/22/2021   15:11:19    (  23.22, 157.17)  280.89             91
 07/25/2021   03:31:39   (  22.65, 147.51) 07/25/2021   03:28:10    (  24.63, 145.18)  323.29            209
 07/30/2021   15:59:16   (  22.61, 147.47) 07/30/2021   16:02:08    (  23.27, 144.48)  314.27            172