Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 4 13.  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)
 04/13/2012   19:56:27   (  49.97,-105.02) 04/13/2012   19:51:09    (  49.61,-107.16)  158.40            318
 04/13/2012   21:31:31   (  36.31,-125.00) 04/13/2012   21:28:41    (  35.83,-127.54)  234.63            170
 04/19/2012   06:32:12   (  42.02, -66.64) 04/19/2012   06:30:55    (  42.39, -68.79)  181.90             77
 04/19/2012   08:08:52   (  49.93, -88.41) 04/19/2012   08:10:06    (  50.41, -90.96)  189.72             74
 04/19/2012   09:47:45   (  49.93,-113.12) 04/19/2012   09:51:33    (  50.58,-116.26)  234.11            228
 04/21/2012   19:07:01   (  49.97, -92.65) 04/21/2012   19:00:21    (  49.64, -94.48)  136.93            400
 04/21/2012   20:45:54   (  49.96,-117.37) 04/21/2012   20:41:49    (  49.53,-119.81)  182.25            245