Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 8 20.  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)
 08/22/2013   18:17:10   (  49.94, -80.21) 08/22/2013   18:10:47    (  49.65, -81.79)  117.63            383
 08/22/2013   19:56:03   (  49.94,-104.93) 08/22/2013   19:52:15    (  49.54,-107.11)  162.92            228
 08/22/2013   21:31:11   (  36.53,-124.99) 08/22/2013   21:29:52    (  36.05,-127.57)  237.04             79
 08/25/2013   09:24:04   (  22.40,-113.73) 08/25/2013   09:16:23    (  22.51,-114.15)   44.75            461
 08/28/2013   06:30:28   (  46.47, -65.04) 08/28/2013   06:30:53    (  46.88, -66.99)  155.62             25
 08/28/2013   08:08:23   (  49.91, -88.39) 08/28/2013   08:11:22    (  50.39, -90.86)  183.59            179
 08/28/2013   09:47:16   (  49.91,-113.11) 08/28/2013   09:52:50    (  50.50,-116.18)  228.05            334