Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 5 5.  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)
 05/07/2012   19:06:54   (  49.98, -92.59) 05/07/2012   19:00:10    (  49.66, -94.47)  139.34            404
 05/07/2012   20:45:47   (  49.98,-117.31) 05/07/2012   20:41:38    (  49.55,-119.80)  184.62            249
 05/13/2012   07:19:30   (  49.24, -76.34) 05/13/2012   07:19:18    (  49.62, -78.59)  168.88             12
 05/13/2012   08:58:12   (  49.89,-100.78) 05/13/2012   09:00:33    (  50.47,-103.59)  209.77            141