Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 5 19.  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)
 05/21/2013   09:25:07   (  20.04,-114.28) 05/21/2013   09:16:47    (  18.59,-115.20)  188.43            500
 05/24/2013   06:31:40   (  43.83, -66.01) 05/24/2013   06:30:54    (  44.17, -68.12)  173.02             46
 05/24/2013   08:08:51   (  49.90, -88.42) 05/24/2013   08:10:36    (  50.39, -90.94)  187.89            105
 05/24/2013   09:47:44   (  49.90,-113.14) 05/24/2013   09:52:04    (  50.50,-116.26)  232.28            260
 05/26/2013   19:07:01   (  49.99, -92.59) 05/26/2013   19:00:53    (  49.62, -94.54)  145.90            368
 05/26/2013   20:45:54   (  49.99,-117.31) 05/26/2013   20:42:22    (  49.57,-119.89)  191.16            212