Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 28.  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)
 06/28/2021   15:59:07   (  22.63, 147.51) 06/28/2021   16:01:45    (  23.27, 144.55)  311.24            158
 07/06/2021   15:09:39   (  22.60, 159.87) 07/06/2021   15:11:08    (  23.21, 157.20)  281.82             89
 07/09/2021   03:31:27   (  22.67, 147.56) 07/09/2021   03:27:58    (  24.63, 145.21)  323.25            209
 07/14/2021   15:59:01   (  22.62, 147.53) 07/14/2021   16:01:57    (  23.28, 144.52)  317.42            176
 07/22/2021   15:09:30   (  22.59, 159.90) 07/22/2021   15:11:18    (  23.21, 157.17)  288.33            108
 07/25/2021   03:31:18   (  22.66, 147.60) 07/25/2021   03:27:49    (  23.49, 145.48)  235.89            209