Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 3 15.  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)
 03/18/2012   06:30:58   (  44.37, -65.77) 03/18/2012   06:30:23    (  44.74, -67.91)  174.75             35
 03/18/2012   08:08:18   (  49.91, -88.35) 03/18/2012   08:10:14    (  50.44, -90.93)  192.83            116
 03/18/2012   09:47:11   (  49.93,-113.07) 03/18/2012   09:51:42    (  50.55,-116.25)  237.07            271
 03/20/2012   19:06:38   (  49.95, -92.62) 03/20/2012   19:00:31    (  49.65, -94.46)  136.84            367
 03/20/2012   20:45:32   (  49.98,-117.35) 03/20/2012   20:41:59    (  49.54,-119.79)  181.96            213