Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 4 4.  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)
 04/06/2013   06:32:38   (  41.53, -66.83) 04/06/2013   06:31:11    (  41.90, -68.97)  181.99             87
 04/06/2013   08:09:10   (  49.92, -88.44) 04/06/2013   08:10:13    (  50.44, -90.94)  187.20             63
 04/06/2013   09:48:03   (  49.93,-113.16) 04/06/2013   09:51:41    (  50.55,-116.27)  231.52            218
 04/08/2013   19:07:23   (  49.99, -92.71) 04/08/2013   19:00:33    (  49.66, -94.58)  139.59            410
 04/08/2013   20:46:16   (  49.99,-117.42) 04/08/2013   20:42:01    (  49.55,-119.91)  184.88            255
 04/14/2013   07:20:02   (  49.18, -76.40) 04/14/2013   07:19:49    (  49.58, -78.65)  169.18             13