Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 6 9.  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)
 06/11/2013   19:06:51   (  49.98, -92.57) 06/11/2013   19:00:52    (  49.65, -94.50)  143.92            359
 06/11/2013   20:45:44   (  49.98,-117.29) 06/11/2013   20:42:20    (  49.54,-119.83)  189.21            204
 06/17/2013   07:19:09   (  49.90, -76.02) 06/17/2013   07:19:51    (  50.31, -78.22)  163.29             42
 06/17/2013   08:58:02   (  49.89,-100.74) 06/17/2013   09:01:18    (  50.48,-103.52)  207.82            196