Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 17.  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)
 12/17/2012   20:45:26   (  49.95,-117.37) 12/17/2012   20:40:38    (  49.56,-119.71)  173.58            288
 12/23/2012   07:19:46   (  47.06, -77.24) 12/23/2012   07:18:57    (  47.43, -79.38)  167.15             49
 12/23/2012   08:57:51   (  49.91,-100.81) 12/23/2012   08:59:35    (  50.41,-103.47)  197.25            104
 12/25/2012   18:17:06   (  49.96, -80.29) 12/25/2012   18:08:46    (  51.07, -82.32)  189.86            500
 12/25/2012   19:55:59   (  49.96,-105.01) 12/25/2012   19:49:50    (  49.59,-107.02)  150.16            369
 12/25/2012   21:31:03   (  36.30,-124.99) 12/25/2012   21:27:23    (  35.86,-127.41)  222.76            220