Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 12 25.  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)
 12/26/2017   15:59:24   (  22.62, 147.50) 12/26/2017   16:02:02    (  23.30, 144.51)  315.51            158
 01/03/2018   15:10:02   (  22.61, 159.85) 01/03/2018   15:11:15    (  23.21, 157.18)  281.71             73
 01/06/2018   03:31:53   (  22.65, 147.52) 01/06/2018   03:28:24    (  25.89, 144.89)  448.29            209
 01/11/2018   15:59:31   (  22.61, 147.49) 01/11/2018   16:01:54    (  23.24, 144.52)  313.23            143
 01/19/2018   15:10:06   (  22.58, 159.86) 01/19/2018   15:11:04    (  23.20, 157.21)  279.97             58