Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 1 12.  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)
 01/14/2021   03:31:37   (  22.66, 147.52) 01/14/2021   03:28:08    (  27.00, 144.67)  562.08            209
 01/19/2021   15:59:12   (  22.61, 147.49) 01/19/2021   16:01:23    (  23.28, 144.58)  307.02            131
 01/27/2021   15:09:42   (  22.63, 159.87) 01/27/2021   15:10:39    (  23.23, 157.25)  276.62             57
 01/30/2021   03:31:32   (  22.68, 147.55) 01/30/2021   03:28:02    (  26.59, 144.77)  517.72            210
 02/04/2021   15:59:05   (  22.61, 147.53) 02/04/2021   16:01:23    (  23.27, 144.57)  311.70            138