Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 5 18.  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)
 05/18/2013   21:31:33   (  36.59,-124.99) 05/18/2013   21:29:13    (  36.07,-127.67)  247.39            140
 05/21/2013   09:25:08   (  20.02,-114.29) 05/21/2013   09:16:48    (  18.57,-115.21)  187.85            500
 05/24/2013   06:31:39   (  43.86, -66.00) 05/24/2013   06:30:53    (  44.21, -68.11)  172.88             46
 05/24/2013   08:08:50   (  49.93, -88.40) 05/24/2013   08:10:35    (  50.44, -90.92)  187.76            105
 05/24/2013   09:47:43   (  49.94,-113.12) 05/24/2013   09:52:03    (  50.55,-116.24)  232.10            260
 05/26/2013   19:07:00   (  49.96, -92.58) 05/26/2013   19:00:53    (  49.63, -94.54)  146.03            367
 05/26/2013   20:45:53   (  49.96,-117.30) 05/26/2013   20:42:21    (  49.52,-119.87)  191.32            212