Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 4 30.  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)
 05/05/2012   06:32:06   (  41.83, -66.67) 05/05/2012   06:30:47    (  42.23, -68.83)  183.44             79
 05/05/2012   08:08:42   (  49.92, -88.39) 05/05/2012   08:09:54    (  50.42, -90.94)  190.07             72
 05/05/2012   09:47:35   (  49.91,-113.11) 05/05/2012   09:51:22    (  50.52,-116.26)  234.51            227
 05/07/2012   19:06:49   (  49.99, -92.58) 05/07/2012   19:00:09    (  49.64, -94.46)  140.54            400
 05/07/2012   20:45:42   (  49.99,-117.30) 05/07/2012   20:41:38    (  49.59,-119.81)  185.84            244