Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2016 12 16.  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)
 12/18/2016   03:31:23   (  22.69, 147.51) 12/18/2016   03:27:53    (  22.62, 145.68)  188.79            210
 12/23/2016   15:59:00   (  22.63, 147.49) 12/23/2016   16:02:20    (  23.29, 144.46)  318.50            200
 12/31/2016   15:09:37   (  22.58, 159.84) 12/31/2016   15:11:35    (  23.19, 157.13)  286.17            118
 01/03/2017   03:31:27   (  22.67, 147.52) 01/03/2017   03:27:58    (  23.18, 145.54)  210.73            209
 01/08/2017   15:59:04   (  22.58, 147.48) 01/08/2017   16:02:16    (  23.24, 144.45)  319.06            192