Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 9 14.  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   (  22.61, 147.49) 09/16/2021   16:02:33    (  23.28, 144.45)  319.79            196
 09/24/2021   15:09:49   (  22.62, 159.86) 09/24/2021   15:11:51    (  23.25, 157.13)  288.09            122
 09/27/2021   03:31:39   (  22.67, 147.53) 09/27/2021   03:28:10    (  22.76, 145.61)  197.89            209
 10/02/2021   15:59:13   (  22.61, 147.51) 10/02/2021   16:02:37    (  23.31, 144.46)  321.93            204
 10/05/2021   02:42:09   (  22.67, 159.91) 10/05/2021   02:38:40    (  27.06, 157.19)  559.78            209
 10/10/2021   15:09:42   (  22.63, 159.89) 10/10/2021   15:11:55    (  23.23, 157.12)  291.07            133