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   07:20:07   (  46.31, -77.54) 01/08/2013   07:19:05    (  46.65, -79.65)  166.69             62
 01/08/2013   08:57:59   (  49.93,-100.82) 01/08/2013   08:59:29    (  50.45,-103.41)  193.18             90
 01/10/2013   19:56:07   (  49.97,-105.03) 01/10/2013   19:49:45    (  49.60,-106.99)  146.50            382
 01/10/2013   21:31:09   (  36.26,-124.99) 01/10/2013   21:27:16    (  35.82,-127.36)  218.19            233