Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 3 15.  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)
 03/15/2012   09:24:27   (  20.05,-114.22) 03/15/2012   09:16:07    (  19.78,-114.88)   75.28            500
 03/18/2012   06:30:34   (  44.99, -65.49) 03/18/2012   06:30:12    (  45.35, -67.68)  176.03             22
 03/18/2012   08:08:04   (  49.92, -88.29) 03/18/2012   08:10:14    (  50.42, -90.94)  196.52            130
 03/18/2012   09:46:57   (  49.92,-113.01) 03/18/2012   09:51:41    (  50.58,-116.24)  240.97            284
 03/20/2012   19:06:10   (  49.99, -92.51) 03/20/2012   19:00:30    (  49.62, -94.45)  145.14            340
 03/20/2012   20:45:03   (  50.00,-117.24) 03/20/2012   20:41:59    (  49.57,-119.80)  190.44            184
 03/23/2012   10:11:55   (  26.33,-125.00) 03/23/2012   10:05:20    (  25.03,-126.26)  191.47            395