Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 7 12.  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   15:59:12   (  22.64, 147.49) 07/14/2021   16:01:57    (  23.30, 144.52)  312.76            165
 07/22/2021   15:09:48   (  22.61, 159.83) 07/22/2021   15:11:19    (  23.21, 157.17)  280.90             91
 07/25/2021   03:31:39   (  22.66, 147.51) 07/25/2021   03:28:10    (  24.63, 145.18)  323.64            209
 07/30/2021   15:59:17   (  22.61, 147.46) 07/30/2021   16:02:09    (  23.26, 144.48)  314.22            172
 08/07/2021   15:09:51   (  22.60, 159.82) 08/07/2021   15:11:30    (  23.18, 157.13)  282.65             99