Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 7 14.  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)
 07/19/2013   07:19:04   (  49.89, -76.04) 07/19/2013   07:19:40    (  50.27, -78.10)  152.99             36
 07/19/2013   08:57:57   (  49.89,-100.76) 07/19/2013   09:01:07    (  50.43,-103.40)  197.50            190
 07/21/2013   18:17:11   (  49.96, -80.18) 07/21/2013   18:09:54    (  49.67, -81.66)  110.52            437
 07/21/2013   19:56:04   (  49.96,-104.90) 07/21/2013   19:51:22    (  49.56,-106.99)  155.74            282
 07/21/2013   21:31:13   (  36.60,-124.98) 07/21/2013   21:29:00    (  36.13,-127.46)  227.88            133