Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 18.  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   (  22.62, 159.86) 06/20/2021   15:10:55    (  23.20, 157.24)  275.98             72
 06/23/2021   03:31:33   (  22.67, 147.53) 06/23/2021   03:28:04    (  25.67, 144.98)  422.00            209
 06/28/2021   15:59:08   (  22.58, 147.49) 06/28/2021   16:01:46    (  23.23, 144.53)  311.49            158
 07/06/2021   15:09:38   (  22.60, 159.87) 07/06/2021   15:11:08    (  23.17, 157.19)  282.02             90
 07/09/2021   03:31:27   (  22.69, 147.55) 07/09/2021   03:27:57    (  24.55, 145.23)  314.26            210
 07/14/2021   15:59:00   (  22.61, 147.53) 07/14/2021   16:01:57    (  23.27, 144.51)  317.94            177