Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 1 14.  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)
 01/16/2012   19:06:07   (  49.99, -92.60) 01/16/2012   19:00:30    (  49.68, -94.31)  127.12            337
 01/16/2012   20:45:00   (  49.98,-117.32) 01/16/2012   20:41:58    (  49.58,-119.64)  172.36            182
 01/22/2012   07:18:28   (  49.90, -76.00) 01/22/2012   07:19:18    (  50.30, -78.12)  157.44             50
 01/22/2012   08:57:21   (  49.90,-100.72) 01/22/2012   09:00:45    (  50.46,-103.42)  201.95            204