Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 5 25.  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)
 05/29/2012   07:19:16   (  49.22, -76.32) 05/29/2012   07:19:03    (  49.59, -78.56)  166.77             13
 05/29/2012   08:57:58   (  49.88,-100.77) 05/29/2012   09:00:18    (  50.44,-103.55)  207.53            140
 05/31/2012   18:17:18   (  49.97, -80.22) 05/31/2012   18:09:04    (  49.72, -81.75)  113.51            494
 05/31/2012   19:56:11   (  49.95,-104.93) 05/31/2012   19:50:31    (  49.56,-107.06)  158.71            340
 05/31/2012   21:31:19   (  36.53,-125.00) 05/31/2012   21:28:08    (  36.06,-127.53)  232.98            191