Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 5 6.  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)
 05/08/2013   06:32:11   (  42.84, -66.38) 05/08/2013   06:31:07    (  43.21, -68.50)  177.35             64
 05/08/2013   08:09:05   (  49.91, -88.44) 05/08/2013   08:10:32    (  50.42, -90.95)  187.84             87
 05/08/2013   09:47:58   (  49.91,-113.16) 05/08/2013   09:52:00    (  50.53,-116.28)  232.29            242
 05/10/2013   19:07:10   (  49.96, -92.60) 05/10/2013   19:00:50    (  49.62, -94.57)  146.23            380
 05/10/2013   20:46:03   (  49.96,-117.32) 05/10/2013   20:42:18    (  49.51,-119.89)  191.57            225
 05/16/2013   07:19:22   (  49.88, -76.02) 05/16/2013   07:19:51    (  50.31, -78.31)  169.63             29