Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 21.  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)
 12/23/2012   07:19:45   (  47.11, -77.22) 12/23/2012   07:18:57    (  47.45, -79.38)  167.48             48
 12/23/2012   08:57:51   (  49.89,-100.82) 12/23/2012   08:59:35    (  50.44,-103.46)  197.80            104
 12/25/2012   18:17:01   (  49.96, -80.27) 12/25/2012   18:08:41    (  50.74, -82.17)  160.35            500
 12/25/2012   19:55:54   (  49.97,-104.99) 12/25/2012   19:49:51    (  49.60,-107.03)  151.99            363
 12/25/2012   21:30:59   (  36.39,-124.99) 12/25/2012   21:27:25    (  35.93,-127.44)  225.08            214