Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 9 7.  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)
 09/10/2012   06:31:32   (  40.98, -66.92) 09/10/2012   06:30:00    (  41.36, -69.01)  179.97             92
 09/10/2012   08:07:55   (  49.90, -88.37) 09/10/2012   08:08:54    (  50.36, -90.84)  183.62             59
 09/10/2012   09:46:48   (  49.90,-113.09) 09/10/2012   09:50:21    (  50.53,-116.14)  228.09            213
 09/12/2012   19:06:00   (  49.96, -92.52) 09/12/2012   18:59:09    (  49.63, -94.36)  137.27            411
 09/12/2012   20:44:53   (  49.96,-117.24) 09/12/2012   20:40:37    (  49.52,-119.69)  182.60            256