Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 7 27.  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)
 07/29/2013   19:06:38   (  49.99, -92.56) 07/29/2013   19:01:01    (  49.67, -94.42)  137.28            337
 07/29/2013   20:45:31   (  49.98,-117.28) 07/29/2013   20:42:29    (  49.56,-119.74)  182.55            182
 08/01/2013   10:12:20   (  26.89,-124.99) 08/01/2013   10:05:54    (  25.06,-126.13)  233.21            386
 08/04/2013   07:19:04   (  49.89, -76.06) 08/04/2013   07:20:08    (  50.29, -78.16)  156.88             64
 08/04/2013   08:57:57   (  49.89,-100.77) 08/04/2013   09:01:36    (  50.41,-103.48)  201.38            219