Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 9 15.  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)
 09/18/2013   08:35:15   (  20.02,-101.93) 09/18/2013   08:26:55    (  19.49,-102.23)   66.88            500
 09/18/2013   10:11:46   (  28.58,-124.57) 09/18/2013   10:05:48    (  28.68,-125.25)   67.45            358
 09/21/2013   07:18:58   (  49.91, -76.05) 09/21/2013   07:21:02    (  50.31, -78.22)  161.48            124
 09/21/2013   08:57:51   (  49.92,-100.77) 09/21/2013   09:02:29    (  50.48,-103.52)  205.89            278
 09/23/2013   18:17:09   (  49.98, -80.24) 09/23/2013   18:11:21    (  49.70, -81.85)  119.32            348
 09/23/2013   19:56:02   (  49.98,-104.96) 09/23/2013   19:52:49    (  49.59,-107.17)  164.55            193
 09/23/2013   21:31:09   (  36.50,-125.00) 09/23/2013   21:30:25    (  36.03,-127.60)  239.23             44