Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 8 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)
 08/20/2017   15:59:01   (  22.60, 147.49) 08/20/2017   16:01:55    (  23.23, 144.62)  302.68            174
 08/28/2017   15:09:32   (  22.62, 159.86) 08/28/2017   15:11:17    (  23.18, 157.27)  272.48            105
 08/31/2017   03:31:21   (  22.64, 147.55) 08/31/2017   03:27:52    (  23.72, 145.53)  239.09            209
 09/05/2017   15:58:56   (  22.59, 147.50) 09/05/2017   16:02:07    (  23.23, 144.58)  307.75            191
 09/13/2017   15:09:26   (  22.64, 159.89) 09/13/2017   15:11:29    (  23.20, 157.24)  277.91            123