Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 2 3.  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)
 02/07/2015   02:39:54   (  11.27, 162.41) 02/07/2015   02:39:34    (  11.05, 161.31)  121.84             20
 02/09/2015   16:22:04   (  10.01, 139.97) 02/09/2015   16:18:34    (   8.32, 139.53)  195.02            210
 02/15/2015   03:28:50   (  10.12, 150.36) 02/15/2015   03:29:37    (   9.79, 148.96)  157.75             47
 02/23/2015   02:39:37   (  12.01, 162.40) 02/23/2015   02:39:04    (  11.76, 161.25)  128.17             33
 02/25/2015   16:21:31   (  10.01, 140.14) 02/25/2015   16:18:01    (   7.76, 139.50)  260.27            210
 03/03/2015   03:28:09   (  10.12, 150.57) 03/03/2015   03:28:54    (   9.81, 149.06)  168.33             45