Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 6 28.  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)
 07/03/2013   07:19:09   (  49.94, -76.02) 07/03/2013   07:19:45    (  50.37, -78.12)  157.15             36
 07/03/2013   08:58:03   (  49.89,-100.77) 07/03/2013   09:01:14    (  50.42,-103.48)  201.91            191
 07/05/2013   18:17:19   (  49.95, -80.20) 07/05/2013   18:10:01    (  49.65, -81.73)  114.55            438
 07/05/2013   19:56:13   (  50.00,-104.94) 07/05/2013   19:51:30    (  49.60,-107.08)  159.69            283
 07/05/2013   21:31:21   (  36.58,-125.00) 07/05/2013   21:29:07    (  36.11,-127.53)  232.94            134
 07/08/2013   09:24:54   (  20.06,-114.28) 07/08/2013   09:16:35    (  18.88,-114.97)  150.18            499