Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 6 22.  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)
 06/23/2021   03:31:33   (  22.70, 147.53) 06/23/2021   03:28:03    (  25.64, 144.99)  416.11            210
 06/28/2021   15:59:08   (  22.62, 147.50) 06/28/2021   16:01:46    (  23.26, 144.54)  311.30            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   03:31:28   (  22.67, 147.55) 07/09/2021   03:27:59    (  24.63, 145.21)  323.18            209
 07/14/2021   15:59:02   (  22.59, 147.52) 07/14/2021   16:01:58    (  23.26, 144.50)  317.58            176