Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 3 14.  Predictions up to the next  10.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/16/2015   06:56:56   (  20.05, -77.12) 03/16/2015   06:50:24    (  19.96, -76.70)   44.90            392
 03/16/2015   08:31:33   (  35.45, -97.90) 03/16/2015   08:27:29    (  35.46, -97.92)    1.67            244
 03/16/2015   10:07:56   (  44.42,-119.77) 03/16/2015   10:06:23    (  44.51,-120.26)   40.36             93
 03/19/2015   07:19:29   (  49.89, -75.92) 03/19/2015   07:26:02    (  50.37, -78.21)  171.24            393
 03/21/2015   18:17:36   (  49.96, -80.14) 03/21/2015   18:16:16    (  49.68, -81.68)  114.50             80
 03/21/2015   19:55:16   (  45.63,-103.15) 03/21/2015   19:56:29    (  45.25,-105.23)  167.49             73