Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 8 1.  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)
 08/04/2017   15:59:02   (  22.61, 147.49) 08/04/2017   16:01:41    (  23.26, 144.67)  298.64            159
 08/12/2017   15:09:35   (  22.62, 159.85) 08/12/2017   15:11:04    (  23.19, 157.31)  267.96             89
 08/15/2017   03:31:25   (  22.67, 147.53) 08/15/2017   03:27:56    (  24.68, 145.31)  318.32            209
 08/20/2017   15:59:01   (  22.59, 147.48) 08/20/2017   16:01:55    (  23.22, 144.61)  302.80            174
 08/28/2017   15:09:32   (  22.62, 159.85) 08/28/2017   15:11:17    (  23.19, 157.27)  272.60            105