Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 6 24.  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)
 06/24/2012   20:45:22   (  49.96,-117.27) 06/24/2012   20:40:45    (  49.55,-119.64)  176.68            277
 06/30/2012   07:20:15   (  46.28, -77.56) 06/30/2012   07:19:13    (  46.63, -79.67)  166.32             62
 06/30/2012   08:58:07   (  49.92,-100.84) 06/30/2012   08:59:37    (  50.42,-103.43)  192.66             90
 07/02/2012   19:56:33   (  50.00,-105.08) 07/02/2012   19:49:51    (  49.67,-106.97)  139.95            402
 07/02/2012   21:31:33   (  36.07,-125.00) 07/02/2012   21:27:19    (  35.66,-127.27)  210.00            254