Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 5 15.  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)
 05/19/2021   15:09:43   (  22.64, 159.86) 05/19/2021   15:10:31    (  23.20, 157.30)  269.00             48
 05/22/2021   03:31:34   (  22.68, 147.53) 05/22/2021   03:28:04    (  27.08, 144.68)  567.68            210
 05/27/2021   15:59:08   (  22.63, 147.50) 05/27/2021   16:01:20    (  23.29, 144.62)  303.84            132
 06/04/2021   15:09:39   (  22.61, 159.86) 06/04/2021   15:10:42    (  23.19, 157.26)  273.91             63
 06/07/2021   03:31:28   (  22.67, 147.55) 06/07/2021   03:27:59    (  26.19, 144.88)  476.03            209