Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 7 4.  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)
 07/08/2012   06:32:24   (  39.73, -67.39) 07/08/2012   06:30:28    (  40.10, -69.40)  176.90            116
 07/08/2012   08:08:26   (  49.91, -88.43) 07/08/2012   08:09:00    (  50.39, -90.80)  176.49             34
 07/08/2012   09:47:19   (  49.92,-113.15) 07/08/2012   09:50:28    (  50.50,-116.12)  220.91            189
 07/10/2012   19:06:36   (  49.98, -92.60) 07/10/2012   18:59:17    (  49.66, -94.33)  129.30            439
 07/10/2012   20:45:29   (  49.97,-117.32) 07/10/2012   20:40:45    (  49.55,-119.66)  174.57            284