Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 7 11.  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)
 07/13/2013   19:06:43   (  49.97, -92.57) 07/13/2013   19:00:42    (  49.65, -94.38)  134.69            361
 07/13/2013   20:45:36   (  49.97,-117.29) 07/13/2013   20:42:10    (  49.55,-119.70)  179.95            206
 07/19/2013   07:19:04   (  49.90, -76.03) 07/19/2013   07:19:39    (  50.33, -78.07)  152.87             35
 07/19/2013   08:57:57   (  49.91,-100.75) 07/19/2013   09:01:07    (  50.44,-103.40)  197.33            190
 07/21/2013   18:17:12   (  49.99, -80.20) 07/21/2013   18:09:55    (  49.72, -81.68)  110.41            437