Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 3 31.  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)
 03/31/2013   21:31:42   (  36.23,-124.98) 03/31/2013   21:28:41    (  35.74,-127.57)  239.15            181
 04/06/2013   06:32:38   (  41.51, -66.84) 04/06/2013   06:31:11    (  41.89, -68.97)  182.10             87
 04/06/2013   08:09:10   (  49.90, -88.45) 04/06/2013   08:10:14    (  50.38, -90.97)  187.37             64
 04/06/2013   09:48:03   (  49.91,-113.17) 04/06/2013   09:51:41    (  50.55,-116.27)  231.72            218
 04/08/2013   19:07:22   (  49.96, -92.69) 04/08/2013   19:00:33    (  49.66, -94.58)  139.82            409
 04/08/2013   20:46:15   (  49.96,-117.41) 04/08/2013   20:42:01    (  49.55,-119.91)  185.12            254