Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 6 1.  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)
 06/06/2012   06:32:09   (  40.87, -67.00) 06/06/2012   06:30:33    (  41.21, -69.09)  179.36             96
 06/06/2012   08:08:30   (  49.91, -88.41) 06/06/2012   08:09:24    (  50.38, -90.86)  182.39             54
 06/06/2012   09:47:23   (  49.92,-113.13) 06/06/2012   09:50:51    (  50.54,-116.17)  226.78            208
 06/08/2012   19:06:39   (  49.96, -92.57) 06/08/2012   18:59:38    (  49.65, -94.38)  134.79            421
 06/08/2012   20:45:32   (  49.96,-117.29) 06/08/2012   20:41:06    (  49.55,-119.71)  180.07            266