Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 12 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)
 12/21/2021   15:59:59   (  22.60, 147.45) 12/21/2021   16:02:53    (  23.30, 144.44)  318.34            174
 12/29/2021   15:10:38   (  22.63, 159.82) 12/29/2021   15:12:00    (  23.22, 157.14)  282.26             82
 01/01/2022   03:32:29   (  22.67, 147.47) 01/01/2022   03:29:00    (  25.49, 144.96)  405.37            209
 01/06/2022   16:00:07   (  22.61, 147.46) 01/06/2022   16:02:33    (  23.26, 144.49)  312.33            146
 01/14/2022   15:10:40   (  22.60, 159.84) 01/14/2022   15:11:38    (  23.17, 157.19)  278.32             58