Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2014 6 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)
 06/19/2014   21:04:16   (  49.98,-121.94) 06/19/2014   20:55:56    (  50.32,-121.83)   38.54            500
 06/20/2014   07:19:13   (  49.91, -76.04) 06/20/2014   07:26:52    (  50.34, -78.19)  160.55            459
 06/22/2014   18:17:20   (  49.95, -80.20) 06/22/2014   18:17:11    (  49.64, -81.87)  124.96              9
 06/22/2014   19:53:51   (  41.50,-101.79) 06/22/2014   19:56:13    (  41.09,-103.91)  182.62            142
 06/25/2014   07:45:59   (  20.05, -89.54) 06/25/2014   07:41:59    (  20.03, -89.41)   13.95            240
 06/25/2014   09:18:07   (  44.36,-107.52) 06/25/2014   09:16:32    (  44.35,-107.62)    7.84             95