Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 9 12.  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)
 09/16/2021   15:59:17   (  22.60, 147.48) 09/16/2021   16:02:33    (  23.28, 144.45)  319.87            196
 09/24/2021   15:09:49   (  22.61, 159.85) 09/24/2021   15:11:52    (  23.19, 157.11)  288.25            123
 09/27/2021   03:31:39   (  22.69, 147.53) 09/27/2021   03:28:09    (  22.71, 145.62)  195.89            210
 10/02/2021   15:59:13   (  22.60, 147.50) 10/02/2021   16:02:38    (  23.26, 144.44)  322.22            205
 10/05/2021   02:42:09   (  22.69, 159.90) 10/05/2021   02:38:39    (  26.99, 157.20)  549.93            210