Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 8 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)
 08/10/2021   03:31:40   (  22.65, 147.51) 08/10/2021   03:28:11    (  24.08, 145.30)  276.72            209
 08/15/2021   15:59:15   (  22.61, 147.48) 08/15/2021   16:02:17    (  23.31, 144.47)  317.12            182
 08/23/2021   15:09:47   (  22.63, 159.85) 08/23/2021   15:11:38    (  23.25, 157.14)  286.30            111
 08/26/2021   03:31:37   (  22.65, 147.53) 08/26/2021   03:28:08    (  23.38, 145.46)  227.08            209
 08/31/2021   15:59:11   (  22.60, 147.49) 08/31/2021   16:02:26    (  23.28, 144.45)  320.99            195