Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2021 12 19.  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   (  22.61, 147.46) 12/21/2021   16:02:53    (  23.31, 144.44)  318.27            174
 12/29/2021   15:10:38   (  22.63, 159.81) 12/29/2021   15:11:59    (  23.24, 157.14)  282.00             81
 01/01/2022   03:32:30   (  22.64, 147.47) 01/01/2022   03:29:01    (  25.53, 144.95)  410.91            209
 01/06/2022   16:00:10   (  22.59, 147.44) 01/06/2022   16:02:34    (  23.25, 144.49)  311.68            144
 01/14/2022   15:10:45   (  22.59, 159.81) 01/14/2022   15:11:39    (  23.19, 157.19)  276.91             54