Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 9 10.  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)
 09/11/2021   03:31:41   (  22.70, 147.51) 09/11/2021   03:28:11    (  23.15, 145.51)  211.31            210
 09/16/2021   15:59:17   (  22.62, 147.49) 09/16/2021   16:02:33    (  23.29, 144.45)  319.75            196
 09/24/2021   15:09:50   (  22.59, 159.84) 09/24/2021   15:11:52    (  23.20, 157.11)  288.14            122
 09/27/2021   03:31:39   (  22.65, 147.53) 09/27/2021   03:28:10    (  22.76, 145.60)  198.34            209
 10/02/2021   15:59:14   (  22.59, 147.50) 10/02/2021   16:02:38    (  23.26, 144.44)  321.83            204
 10/05/2021   02:42:10   (  22.69, 159.90) 10/05/2021   02:38:40    (  27.06, 157.19)  557.11            210