Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 12 14.  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)
 12/18/2017   15:09:53   (  22.62, 159.86) 12/18/2017   15:11:23    (  23.21, 157.16)  284.57             90
 12/21/2017   03:31:45   (  22.66, 147.53) 12/21/2017   03:28:16    (  24.92, 145.12)  350.80            209
 12/26/2017   15:59:25   (  22.60, 147.49) 12/26/2017   16:02:03    (  23.26, 144.49)  315.45            158
 01/03/2018   15:10:03   (  22.64, 159.85) 01/03/2018   15:11:15    (  23.24, 157.18)  281.33             72
 01/06/2018   03:31:54   (  22.68, 147.51) 01/06/2018   03:28:24    (  25.92, 144.88)  447.93            210