Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 10 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)
 10/12/2012   06:31:58   (  39.61, -67.38) 10/12/2012   06:30:02    (  39.98, -69.40)  177.58            116
 10/12/2012   08:07:58   (  49.91, -88.39) 10/12/2012   08:08:32    (  50.37, -90.76)  176.71             34
 10/12/2012   09:46:51   (  49.91,-113.11) 10/12/2012   09:50:00    (  50.48,-116.08)  221.15            189
 10/14/2012   19:06:06   (  49.99, -92.57) 10/14/2012   18:58:47    (  49.70, -94.31)  129.04            439
 10/14/2012   20:44:59   (  49.99,-117.29) 10/14/2012   20:40:15    (  49.60,-119.64)  174.28            284