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   (  22.60, 159.86) 12/18/2017   15:11:23    (  23.19, 157.15)  284.65             90
 12/21/2017   03:31:45   (  22.68, 147.52) 12/21/2017   03:28:15    (  24.88, 145.13)  344.55            210
 12/26/2017   15:59:25   (  22.63, 147.50) 12/26/2017   16:02:03    (  23.30, 144.50)  315.42            158
 01/03/2018   15:10:03   (  22.60, 159.84) 01/03/2018   15:11:16    (  23.16, 157.16)  281.69             73
 01/06/2018   03:31:54   (  22.67, 147.51) 01/06/2018   03:28:25    (  25.93, 144.88)  450.63            209