Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 12 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)
 12/15/2012   06:32:17   (  39.79, -67.38) 12/15/2012   06:30:21    (  40.13, -69.41)  177.23            116
 12/15/2012   08:08:20   (  49.92, -88.44) 12/15/2012   08:08:54    (  50.36, -90.82)  176.91             34
 12/15/2012   09:47:13   (  49.92,-113.16) 12/15/2012   09:50:21    (  50.52,-116.12)  221.26            188
 12/17/2012   19:06:31   (  49.94, -92.64) 12/17/2012   18:59:10    (  49.66, -94.38)  128.86            441
 12/17/2012   20:45:25   (  50.00,-117.39) 12/17/2012   20:40:39    (  49.61,-119.74)  174.02            286