Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 4 11.  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)
 04/14/2017   15:59:29   (  22.64, 147.46) 04/14/2017   16:01:29    (  23.27, 144.63)  297.88            120
 04/22/2017   15:09:48   (  22.64, 159.87) 04/22/2017   15:10:47    (  23.21, 157.30)  271.05             59
 04/25/2017   03:31:34   (  22.69, 147.56) 04/25/2017   03:28:04    (  26.23, 144.91)  477.20            210
 04/30/2017   15:59:00   (  22.62, 147.56) 04/30/2017   16:01:33    (  23.30, 144.63)  309.82            153
 05/08/2017   15:09:17   (  22.59, 159.97) 05/08/2017   15:10:51    (  23.21, 157.29)  283.93             94