Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 5 20.  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)
 05/22/2021   03:31:34   (  22.67, 147.53) 05/22/2021   03:28:05    (  27.13, 144.67)  573.71            209
 05/27/2021   15:59:08   (  22.63, 147.50) 05/27/2021   16:01:21    (  23.24, 144.61)  303.94            133
 06/04/2021   15:09:39   (  22.59, 159.86) 06/04/2021   15:10:42    (  23.20, 157.27)  274.17             63
 06/07/2021   03:31:28   (  22.68, 147.55) 06/07/2021   03:27:58    (  26.11, 144.90)  466.66            210
 06/12/2021   15:59:02   (  22.61, 147.52) 06/12/2021   16:01:32    (  23.25, 144.58)  309.63            150