Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 4 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)
 04/22/2013   06:32:38   (  41.91, -66.73) 04/22/2013   06:31:16    (  42.25, -68.85)  179.33             82
 04/22/2013   08:09:16   (  49.94, -88.46) 04/22/2013   08:10:24    (  50.45, -90.95)  185.81             68
 04/22/2013   09:48:10   (  49.88,-113.21) 04/22/2013   09:51:53    (  50.50,-116.30)  230.58            223
 04/24/2013   19:07:26   (  49.99, -92.68) 04/24/2013   19:00:44    (  49.68, -94.60)  141.86            402
 04/24/2013   20:46:19   (  49.98,-117.40) 04/24/2013   20:42:12    (  49.57,-119.93)  187.13            247