Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 7 17.  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)  293.96            143
 07/27/2017   15:09:34   (  22.60, 159.86) 07/27/2017   15:10:40    (  23.15, 157.39)  260.35             66
 07/30/2017   03:31:23   (  22.65, 147.55) 07/30/2017   03:27:54    (  26.18, 145.03)  468.51            209
 08/04/2017   15:58:58   (  22.59, 147.50) 08/04/2017   16:01:22    (  23.19, 144.73)  292.15            144
 08/12/2017   15:09:26   (  22.62, 159.89) 08/12/2017   15:10:34    (  23.17, 157.43)  259.04             68