Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 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)
 06/12/2021   15:59:10   (  22.61, 147.49) 06/12/2021   16:01:31    (  23.27, 144.59)  305.99            141
 06/20/2021   15:09:43   (  22.64, 159.86) 06/20/2021   15:10:53    (  23.19, 157.24)  274.93             70
 06/23/2021   03:31:32   (  22.66, 147.54) 06/23/2021   03:28:03    (  25.84, 144.95)  441.08            209
 06/28/2021   15:59:08   (  22.61, 147.50) 06/28/2021   16:01:41    (  23.25, 144.56)  309.36            153
 07/06/2021   15:09:38   (  22.63, 159.87) 07/06/2021   15:11:00    (  23.24, 157.23)  278.79             82
 07/09/2021   03:31:27   (  22.66, 147.56) 07/09/2021   03:27:58    (  25.07, 145.13)  364.60            209