Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2017 8 16.  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)  302.69            174
 08/28/2017   15:09:32   (  22.61, 159.86) 08/28/2017   15:11:17    (  23.19, 157.27)  272.62            105
 08/31/2017   03:31:21   (  22.66, 147.55) 08/31/2017   03:27:52    (  23.71, 145.53)  237.18            209
 09/05/2017   15:58:55   (  22.62, 147.51) 09/05/2017   16:02:06    (  23.30, 144.60)  307.95            191