Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 4 24.  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)
 04/27/2012   07:19:26   (  49.71, -76.13) 04/27/2012   07:19:22    (  50.06, -78.42)  169.10              4
 04/27/2012   08:58:16   (  49.88,-100.77) 04/27/2012   09:00:45    (  50.45,-103.62)  212.34            149
 04/29/2012   18:17:30   (  49.96, -80.24) 04/29/2012   18:09:32    (  49.67, -81.80)  116.33            478
 04/29/2012   19:56:23   (  49.96,-104.96) 04/29/2012   19:51:00    (  49.56,-107.13)  161.61            323
 04/29/2012   21:31:30   (  36.48,-125.00) 04/29/2012   21:28:36    (  36.01,-127.59)  238.01            174