Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 19.  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)
 06/20/2021   15:09:43   (  22.63, 159.86) 06/20/2021   15:10:55    (  23.22, 157.24)  275.92             72
 06/23/2021   03:31:32   (  22.65, 147.54) 06/23/2021   03:28:03    (  25.65, 144.99)  422.17            209
 06/28/2021   15:59:08   (  22.60, 147.50) 06/28/2021   16:01:46    (  23.24, 144.54)  311.41            158
 07/06/2021   15:09:38   (  22.62, 159.87) 07/06/2021   15:11:08    (  23.20, 157.20)  281.92             90
 07/09/2021   03:31:27   (  22.65, 147.56) 07/09/2021   03:27:58    (  24.57, 145.22)  319.76            209
 07/14/2021   15:59:01   (  22.59, 147.52) 07/14/2021   16:01:58    (  23.26, 144.50)  318.01            177