Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 2 18.  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)
 02/20/2017   03:31:47   (  22.70, 147.51) 02/20/2017   03:28:17    (  25.78, 144.94)  430.59            210
 02/25/2017   15:59:25   (  22.59, 147.48) 02/25/2017   16:01:48    (  23.25, 144.55)  309.46            143
 03/05/2017   15:10:01   (  22.60, 159.85) 03/05/2017   15:10:58    (  23.20, 157.24)  275.20             57
 03/08/2017   03:31:52   (  22.65, 147.52) 03/08/2017   03:28:23    (  26.83, 144.71)  544.10            209
 03/13/2017   15:59:30   (  22.61, 147.50) 03/13/2017   16:01:37    (  23.24, 144.59)  306.38            127