Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 2 11.  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)
 02/11/2013   18:16:59   (  50.00, -80.21) 02/11/2013   18:08:50    (  49.74, -81.78)  115.42            489
 02/11/2013   19:55:52   (  50.00,-104.93) 02/11/2013   19:50:18    (  49.63,-107.10)  160.66            334
 02/11/2013   21:31:01   (  36.64,-125.00) 02/11/2013   21:27:56    (  36.19,-127.57)  235.72            185
 02/17/2013   06:31:30   (  41.83, -66.58) 02/17/2013   06:30:15    (  42.21, -68.75)  184.10             75
 02/17/2013   08:08:07   (  49.91, -88.29) 02/17/2013   08:09:23    (  50.40, -90.85)  190.31             76
 02/17/2013   09:47:00   (  49.91,-113.01) 02/17/2013   09:50:51    (  50.52,-116.17)  234.82            231
 02/19/2013   19:06:11   (  49.96, -92.49) 02/19/2013   18:59:43    (  49.61, -94.44)  145.38            388
 02/19/2013   20:45:04   (  49.96,-117.21) 02/19/2013   20:41:11    (  49.49,-119.76)  190.79            233