Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 12 21.  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)  318.35            174
 12/29/2021   15:10:38   (  22.62, 159.82) 12/29/2021   15:12:00    (  23.21, 157.14)  282.29             82
 01/01/2022   03:32:30   (  22.68, 147.47) 01/01/2022   03:29:00    (  25.45, 144.97)  399.14            210
 01/06/2022   16:00:07   (  22.59, 147.46) 01/06/2022   16:02:33    (  23.25, 144.49)  312.43            146
 01/14/2022   15:10:39   (  22.62, 159.85) 01/14/2022   15:11:37    (  23.20, 157.20)  278.30             58
 01/17/2022   03:32:28   (  22.64, 147.52) 01/17/2022   03:28:59    (  26.79, 144.69)  542.23            209