Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 1 3.  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)
 01/08/2013   07:20:16   (  46.02, -77.66) 01/08/2013   07:19:09    (  46.38, -79.76)  166.55             67
 01/08/2013   08:58:04   (  49.89,-100.85) 01/08/2013   08:59:29    (  50.41,-103.42)  192.08             85
 01/10/2013   19:56:16   (  49.97,-105.07) 01/10/2013   19:49:45    (  49.64,-107.01)  143.64            391
 01/10/2013   21:31:17   (  36.13,-125.00) 01/10/2013   21:27:14    (  35.69,-127.32)  214.75            243