Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 4 14.  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)
 04/16/2013   18:17:59   (  49.97, -80.32) 04/16/2013   18:09:54    (  49.67, -81.91)  118.20            485
 04/16/2013   19:56:52   (  49.96,-105.04) 04/16/2013   19:51:22    (  49.56,-107.23)  163.46            330
 04/16/2013   21:31:54   (  36.19,-124.99) 04/16/2013   21:28:53    (  35.72,-127.58)  239.41            181
 04/22/2013   06:32:35   (  41.94, -66.70) 04/22/2013   06:31:15    (  42.29, -68.84)  181.14             80
 04/22/2013   08:09:14   (  49.91, -88.45) 04/22/2013   08:10:24    (  50.42, -90.96)  187.81             70
 04/22/2013   09:48:07   (  49.91,-113.17) 04/22/2013   09:51:52    (  50.53,-116.28)  232.22            225