Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 1 21.  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   07:19:33   (  47.54, -76.99) 01/24/2013   07:18:52    (  47.87, -79.17)  167.73             41
 01/24/2013   08:57:46   (  49.90,-100.75) 01/24/2013   08:59:37    (  50.46,-103.42)  199.95            111
 01/26/2013   18:16:57   (  49.96, -80.21) 01/26/2013   18:08:37    (  50.12, -81.88)  120.74            500
 01/26/2013   19:55:50   (  49.96,-104.93) 01/26/2013   19:49:58    (  49.61,-107.03)  155.35            352
 01/26/2013   21:30:58   (  36.56,-124.99) 01/26/2013   21:27:35    (  36.11,-127.48)  229.07            203