Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 8 13.  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)
 08/15/2021   15:59:15   (  22.62, 147.48) 08/15/2021   16:02:17    (  23.32, 144.48)  317.09            182
 08/23/2021   15:09:47   (  22.64, 159.85) 08/23/2021   15:11:38    (  23.26, 157.14)  286.30            111
 08/26/2021   03:31:37   (  22.70, 147.52) 08/26/2021   03:28:07    (  23.36, 145.46)  223.09            210
 08/31/2021   15:59:11   (  22.61, 147.50) 08/31/2021   16:02:26    (  23.30, 144.45)  321.02            195
 09/08/2021   15:09:41   (  22.58, 159.87) 09/08/2021   15:11:46    (  23.21, 157.11)  290.93            125