Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 6 23.  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)
 06/24/2012   19:06:28   (  49.99, -92.55) 06/24/2012   18:59:18    (  49.70, -94.34)  131.89            430
 06/24/2012   20:45:21   (  49.98,-117.27) 06/24/2012   20:40:45    (  49.54,-119.64)  177.10            276
 06/30/2012   07:19:57   (  46.85, -77.31) 06/30/2012   07:19:04    (  47.22, -79.44)  166.36             53
 06/30/2012   08:57:59   (  49.90,-100.81) 06/30/2012   08:59:38    (  50.43,-103.43)  195.51             99
 07/02/2012   19:56:19   (  49.97,-105.02) 07/02/2012   19:49:52    (  49.63,-106.96)  144.43            387