Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 2 4.  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)
 02/09/2013   07:19:09   (  48.80, -76.45) 02/09/2013   07:18:49    (  49.19, -78.67)  167.74             20
 02/09/2013   08:57:43   (  49.93,-100.71) 02/09/2013   08:59:57    (  50.45,-103.48)  206.24            134
 02/11/2013   18:16:59   (  49.99, -80.21) 02/11/2013   18:08:49    (  49.70, -81.76)  115.35            490
 02/11/2013   19:55:52   (  49.99,-104.93) 02/11/2013   19:50:17    (  49.58,-107.08)  160.62            335
 02/11/2013   21:31:01   (  36.63,-125.00) 02/11/2013   21:27:55    (  36.14,-127.56)  235.53            186