Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 2 13.  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)
 02/15/2021   03:31:43   (  22.70, 147.51) 02/15/2021   03:28:13    (  27.30, 144.58)  590.59            210
 02/20/2021   15:59:20   (  22.62, 147.49) 02/20/2021   16:01:22    (  23.29, 144.58)  306.86            122
 02/28/2021   15:09:54   (  22.58, 159.84) 02/28/2021   15:10:38    (  23.15, 157.23)  274.84             44
 03/08/2021   15:59:19   (  22.62, 147.50) 03/08/2021   16:01:19    (  23.29, 144.58)  307.88            120