Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 10 18.  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)
 10/20/2012   07:19:08   (  47.95, -76.84) 10/20/2012   07:18:34    (  48.28, -79.03)  166.91             34
 10/20/2012   08:57:28   (  49.91,-100.76) 10/20/2012   08:59:26    (  50.47,-103.45)  201.10            118
 10/22/2012   18:16:42   (  49.97, -80.22) 10/22/2012   18:08:22    (  50.00, -81.82)  114.95            500
 10/22/2012   19:55:35   (  49.97,-104.94) 10/22/2012   19:49:45    (  49.60,-107.02)  155.20            350
 10/22/2012   21:30:43   (  36.56,-124.99) 10/22/2012   21:27:22    (  36.10,-127.48)  228.82            201