Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 3 2.  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)
 03/05/2013   06:32:02   (  41.51, -66.76) 03/05/2013   06:30:38    (  41.92, -68.89)  182.33             84
 03/05/2013   08:08:34   (  49.91, -88.37) 03/05/2013   08:09:41    (  50.40, -90.89)  187.60             67
 03/05/2013   09:47:27   (  49.91,-113.09) 03/05/2013   09:51:09    (  50.52,-116.21)  232.00            222
 03/07/2013   19:06:45   (  49.97, -92.61) 03/07/2013   19:00:01    (  49.64, -94.50)  140.73            404
 03/07/2013   20:45:38   (  49.96,-117.32) 03/07/2013   20:41:29    (  49.52,-119.82)  186.05            249