Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 10 9.  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)
 10/12/2012   06:32:04   (  39.46, -67.44) 10/12/2012   06:30:05    (  39.79, -69.46)  176.96            119
 10/12/2012   08:08:02   (  49.89, -88.41) 10/12/2012   08:08:32    (  50.36, -90.76)  175.64             30
 10/12/2012   09:46:55   (  49.89,-113.13) 10/12/2012   09:50:00    (  50.47,-116.09)  220.04            185
 10/14/2012   19:06:13   (  49.97, -92.59) 10/14/2012   18:58:46    (  49.66, -94.29)  126.85            447
 10/14/2012   20:45:06   (  49.97,-117.31) 10/14/2012   20:40:14    (  49.55,-119.62)  172.09            292