Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 2 20.  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)
 02/25/2017   15:59:25   (  22.58, 147.48) 02/25/2017   16:01:48    (  23.24, 144.55)  309.51            143
 03/05/2017   15:10:02   (  22.58, 159.85) 03/05/2017   15:10:59    (  23.18, 157.24)  275.29             57
 03/08/2017   03:31:52   (  22.68, 147.52) 03/08/2017   03:28:22    (  26.79, 144.72)  537.26            210
 03/13/2017   15:59:29   (  22.63, 147.51) 03/13/2017   16:01:36    (  23.27, 144.60)  306.32            127