Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 8 8.  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)
 08/10/2021   03:31:41   (  22.68, 147.50) 08/10/2021   03:28:11    (  24.06, 145.31)  271.72            210
 08/15/2021   15:59:15   (  22.63, 147.48) 08/15/2021   16:02:17    (  23.33, 144.48)  317.04            182
 08/23/2021   15:09:47   (  22.59, 159.84) 08/23/2021   15:11:38    (  23.21, 157.13)  286.48            111
 08/26/2021   03:31:37   (  22.69, 147.52) 08/26/2021   03:28:07    (  23.36, 145.46)  222.99            210
 08/31/2021   15:59:11   (  22.62, 147.50) 08/31/2021   16:02:26    (  23.31, 144.45)  321.01            195