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   06:32:37   (  41.89, -66.72) 04/22/2013   06:31:16    (  42.27, -68.85)  181.04             81
 04/22/2013   08:09:15   (  49.92, -88.45) 04/22/2013   08:10:25    (  50.41, -90.97)  187.63             70
 04/22/2013   09:48:08   (  49.92,-113.17) 04/22/2013   09:51:52    (  50.57,-116.27)  232.05            224
 04/24/2013   19:07:24   (  49.97, -92.67) 04/24/2013   19:00:43    (  49.61, -94.57)  142.39            401
 04/24/2013   20:46:17   (  49.97,-117.39) 04/24/2013   20:42:12    (  49.55,-119.92)  187.69            245