Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 9 16.  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)  319.81            196
 09/24/2021   15:09:49   (  22.62, 159.86) 09/24/2021   15:11:51    (  23.25, 157.13)  288.05            122
 09/27/2021   03:31:39   (  22.66, 147.53) 09/27/2021   03:28:10    (  22.77, 145.60)  198.12            209
 10/02/2021   15:59:13   (  22.63, 147.51) 10/02/2021   16:02:37    (  23.31, 144.46)  321.74            204
 10/05/2021   02:42:09   (  22.64, 159.91) 10/05/2021   02:38:40    (  27.06, 157.19)  562.61            209
 10/10/2021   15:09:44   (  22.61, 159.88) 10/10/2021   15:11:56    (  23.23, 157.12)  290.84            132
 10/13/2021   03:31:32   (  22.70, 147.56) 10/13/2021   03:28:05    (  22.30, 145.73)  193.55            207