Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 1 19.  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)
 01/24/2013   07:19:37   (  47.48, -77.03) 01/24/2013   07:18:55    (  47.81, -79.21)  167.53             42
 01/24/2013   08:57:49   (  49.91,-100.76) 01/24/2013   08:59:39    (  50.46,-103.43)  199.43            110
 01/26/2013   18:17:04   (  49.96, -80.25) 01/26/2013   18:08:44    (  50.31, -81.98)  129.51            500
 01/26/2013   19:55:57   (  49.96,-104.96) 01/26/2013   19:50:02    (  49.61,-107.05)  154.39            355
 01/26/2013   21:31:04   (  36.49,-125.00) 01/26/2013   21:27:37    (  36.00,-127.46)  227.91            207