Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 1 12.  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)
 01/16/2013   06:32:49   (  38.45, -67.80) 01/16/2013   06:30:31    (  38.79, -69.77)  175.12            138
 01/16/2013   08:08:30   (  49.89, -88.45) 01/16/2013   08:08:41    (  50.35, -90.73)  170.92             11
 01/16/2013   09:47:23   (  49.89,-113.17) 01/16/2013   09:50:09    (  50.46,-116.06)  215.40            166
 01/18/2013   19:06:37   (  49.99, -92.65) 01/18/2013   18:58:57    (  49.72, -94.32)  123.58            460
 01/18/2013   20:45:30   (  49.99,-117.37) 01/18/2013   20:40:25    (  49.61,-119.65)  168.81            305