Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 6 8.  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)
 06/14/2012   07:19:24   (  48.41, -76.66) 06/14/2012   07:18:58    (  48.75, -78.86)  166.76             26
 06/14/2012   08:57:52   (  49.89,-100.77) 06/14/2012   08:59:59    (  50.41,-103.50)  203.32            127
 06/16/2012   18:17:05   (  49.94, -80.18) 06/16/2012   18:08:46    (  49.81, -81.73)  112.35            499
 06/16/2012   19:55:58   (  49.94,-104.90) 06/16/2012   19:50:12    (  49.59,-107.01)  156.49            346
 06/16/2012   21:31:08   (  36.65,-125.00) 06/16/2012   21:27:50    (  36.16,-127.50)  230.05            198