Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 1.  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)
 12/01/2012   20:45:03   (  49.95,-117.29) 12/01/2012   20:40:40    (  49.55,-119.73)  180.69            263
 12/07/2012   07:19:05   (  48.35, -76.67) 12/07/2012   07:18:38    (  48.73, -78.87)  167.33             27
 12/07/2012   08:57:32   (  49.90,-100.75) 12/07/2012   08:59:38    (  50.45,-103.48)  203.69            126
 12/09/2012   18:16:48   (  49.95, -80.22) 12/09/2012   18:08:28    (  49.79, -81.77)  111.87            500
 12/09/2012   19:55:41   (  49.95,-104.94) 12/09/2012   19:49:54    (  49.57,-107.04)  156.43            347
 12/09/2012   21:30:49   (  36.53,-125.00) 12/09/2012   21:27:31    (  36.08,-127.51)  230.32            198