Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 6 6.  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)
 06/09/2013   06:31:28   (  44.15, -65.89) 06/09/2013   06:30:47    (  44.53, -67.94)  168.38             41
 06/09/2013   08:08:44   (  49.91, -88.40) 06/09/2013   08:10:35    (  50.40, -90.89)  185.20            111
 06/09/2013   09:47:37   (  49.91,-113.12) 06/09/2013   09:52:03    (  50.51,-116.21)  229.62            266
 06/11/2013   19:06:51   (  49.95, -92.56) 06/11/2013   19:00:52    (  49.64, -94.50)  143.92            359
 06/11/2013   20:45:44   (  49.95,-117.28) 06/11/2013   20:42:20    (  49.53,-119.82)  189.22            204