Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 9 18.  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)
 09/20/2012   18:16:33   (  49.99, -80.17) 09/20/2012   18:08:22    (  49.71, -81.69)  113.98            491
 09/20/2012   19:55:25   (  49.99,-104.89) 09/20/2012   19:49:49    (  49.60,-107.02)  159.20            336
 09/20/2012   21:30:36   (  36.75,-124.99) 09/20/2012   21:27:29    (  36.28,-127.54)  233.49            187
 09/26/2012   06:31:25   (  40.93, -66.91) 09/26/2012   06:29:53    (  41.31, -69.01)  180.35             92
 09/26/2012   08:07:47   (  49.92, -88.34) 09/26/2012   08:08:45    (  50.43, -90.79)  183.65             58
 09/26/2012   09:46:40   (  49.92,-113.06) 09/26/2012   09:50:13    (  50.53,-116.11)  228.04            213
 09/28/2012   19:05:56   (  49.98, -92.52) 09/28/2012   18:59:02    (  49.68, -94.36)  136.33            414