Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 7 19.  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)
 07/19/2017   15:59:03   (  22.62, 147.50) 07/19/2017   16:01:26    (  23.25, 144.71)  293.95            143
 07/27/2017   15:09:34   (  22.62, 159.86) 07/27/2017   15:10:40    (  23.16, 157.39)  260.31             66
 07/30/2017   03:31:24   (  22.69, 147.54) 07/30/2017   03:27:54    (  26.17, 145.03)  462.50            210
 08/04/2017   15:58:58   (  22.62, 147.51) 08/04/2017   16:01:22    (  23.22, 144.74)  292.02            144
 08/12/2017   15:09:27   (  22.62, 159.88) 08/12/2017   15:10:35    (  23.16, 157.43)  258.98             68
 08/15/2017   03:31:15   (  22.64, 147.58) 08/15/2017   03:27:46    (  26.02, 145.10)  451.84            209