Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 2 22.  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)
 02/25/2013   07:19:12   (  49.24, -76.28) 02/25/2013   07:19:00    (  49.59, -78.55)  168.24             12
 02/25/2013   08:57:54   (  49.90,-100.73) 02/25/2013   09:00:15    (  50.45,-103.53)  208.88            141
 02/27/2013   18:17:13   (  49.97, -80.24) 02/27/2013   18:09:06    (  49.67, -81.79)  116.59            487
 02/27/2013   19:56:06   (  49.96,-104.95) 02/27/2013   19:50:34    (  49.56,-107.12)  161.84            332
 02/27/2013   21:31:13   (  36.48,-124.99) 02/27/2013   21:28:10    (  36.00,-127.56)  237.26            183