Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 5 4.  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)
 05/11/2021   15:59:06   (  22.63, 147.51) 05/11/2021   16:01:08    (  23.26, 144.65)  301.05            122
 05/19/2021   15:09:36   (  22.59, 159.88) 05/19/2021   15:10:32    (  23.15, 157.29)  272.57             56
 05/22/2021   03:31:23   (  22.65, 147.57) 05/22/2021   03:27:54    (  26.56, 144.82)  516.25            209
 05/27/2021   15:58:56   (  22.59, 147.54) 05/27/2021   16:01:21    (  23.23, 144.60)  309.28            145