Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 5 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)
 05/13/2012   07:19:19   (  49.54, -76.19) 05/13/2012   07:19:12    (  49.94, -78.45)  168.29              7
 05/13/2012   08:58:06   (  49.90,-100.76) 05/13/2012   09:00:33    (  50.45,-103.59)  210.82            147
 05/15/2012   18:17:20   (  49.97, -80.20) 05/15/2012   18:09:20    (  49.67, -81.78)  117.88            480
 05/15/2012   19:56:13   (  49.96,-104.92) 05/15/2012   19:50:48    (  49.57,-107.11)  163.15            325
 05/15/2012   21:31:22   (  36.61,-125.00) 05/15/2012   21:28:26    (  36.13,-127.60)  238.92            176