Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 19.  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   07:19:46   (  47.11, -77.22) 12/23/2012   07:18:58    (  47.45, -79.38)  167.15             48
 12/23/2012   08:57:52   (  49.90,-100.82) 12/23/2012   08:59:36    (  50.44,-103.46)  197.39            104
 12/25/2012   18:17:07   (  49.97, -80.29) 12/25/2012   18:08:47    (  51.01, -82.29)  182.51            500
 12/25/2012   19:55:59   (  49.97,-105.01) 12/25/2012   19:49:52    (  49.63,-107.05)  150.52            367
 12/25/2012   21:31:03   (  36.32,-125.00) 12/25/2012   21:27:24    (  35.85,-127.41)  223.22            219