Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 7 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)
 07/16/2012   07:19:36   (  47.72, -76.97) 07/16/2012   07:18:58    (  48.06, -79.14)  166.48             38
 07/16/2012   08:57:51   (  49.92,-100.80) 07/16/2012   08:59:45    (  50.47,-103.47)  199.53            114
 07/18/2012   18:17:07   (  50.00, -80.25) 07/18/2012   18:08:47    (  50.41, -82.00)  133.07            500
 07/18/2012   19:56:00   (  50.00,-104.97) 07/18/2012   19:50:03    (  49.61,-107.02)  153.17            357
 07/18/2012   21:31:06   (  36.46,-124.99) 07/18/2012   21:27:38    (  36.00,-127.45)  226.31            208