Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 1 22.  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)
 01/24/2017   15:59:09   (  22.61, 147.50) 01/24/2017   16:02:07    (  23.27, 144.49)  316.64            178
 02/01/2017   15:09:46   (  22.63, 159.86) 02/01/2017   15:11:18    (  23.25, 157.18)  282.44             92
 02/04/2017   03:31:38   (  22.67, 147.52) 02/04/2017   03:28:09    (  24.77, 145.17)  334.13            209
 02/09/2017   15:59:16   (  22.59, 147.49) 02/09/2017   16:01:58    (  23.26, 144.51)  313.74            162
 02/17/2017   15:09:52   (  22.61, 159.86) 02/17/2017   15:11:10    (  23.19, 157.20)  280.10             78