Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 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)
 12/07/2012   07:19:07   (  48.34, -76.68) 12/07/2012   07:18:40    (  48.69, -78.89)  167.33             27
 12/07/2012   08:57:34   (  49.89,-100.76) 12/07/2012   08:59:40    (  50.41,-103.50)  203.53            126
 12/09/2012   18:16:51   (  49.99, -80.25) 12/09/2012   18:08:31    (  49.87, -81.80)  112.17            500
 12/09/2012   19:55:44   (  49.99,-104.97) 12/09/2012   19:49:57    (  49.64,-107.08)  156.23            347
 12/09/2012   21:30:51   (  36.51,-125.00) 12/09/2012   21:27:32    (  36.04,-127.50)  230.14            199