Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 6 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)
 06/16/2012   18:17:06   (  50.00, -80.20) 06/16/2012   18:08:46    (  49.82, -81.73)  111.74            500
 06/16/2012   19:55:59   (  50.00,-104.92) 06/16/2012   19:50:13    (  49.65,-107.03)  156.55            346
 06/16/2012   21:31:08   (  36.65,-125.00) 06/16/2012   21:27:50    (  36.16,-127.50)  230.25            198
 06/22/2012   06:32:02   (  40.46, -67.10) 06/22/2012   06:30:21    (  40.82, -69.17)  179.20            101
 06/22/2012   08:08:16   (  49.92, -88.37) 06/22/2012   08:09:05    (  50.40, -90.80)  180.86             49
 06/22/2012   09:47:09   (  49.92,-113.09) 06/22/2012   09:50:33    (  50.50,-116.12)  225.32            204
 06/24/2012   19:06:21   (  49.98, -92.52) 06/24/2012   18:59:18    (  49.64, -94.32)  134.16            423
 06/24/2012   20:45:14   (  49.98,-117.24) 06/24/2012   20:40:46    (  49.54,-119.64)  179.44            268