Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 10 20.  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)
 10/21/2015   02:41:45   (  20.78, 160.30) 10/21/2015   02:38:47    (  20.54, 159.02)  136.16            178
 10/26/2015   15:09:56   (  22.59, 159.79) 10/26/2015   15:13:24    (  24.62, 157.61)  317.55            208
 10/29/2015   03:30:11   (  16.87, 148.81) 10/29/2015   03:28:18    (  16.55, 147.28)  167.00            113
 11/06/2015   02:42:04   (  21.72, 160.06) 11/06/2015   02:38:50    (  21.46, 158.78)  135.04            194
 11/11/2015   15:09:52   (  22.62, 159.80) 11/11/2015   15:13:21    (  24.01, 157.44)  286.33            209
 11/14/2015   03:30:11   (  17.28, 148.74) 11/14/2015   03:28:11    (  16.98, 147.18)  169.46            120