Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2012 3 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)
 04/03/2012   06:31:51   (  42.81, -66.38) 04/03/2012   06:30:47    (  43.18, -68.50)  177.34             64
 04/03/2012   08:08:45   (  49.89, -88.43) 04/03/2012   08:10:12    (  50.39, -90.97)  189.01             87
 04/03/2012   09:47:38   (  49.90,-113.15) 04/03/2012   09:51:39    (  50.56,-116.27)  233.41            241
 04/05/2012   19:06:57   (  49.99, -92.67) 04/05/2012   19:00:28    (  49.67, -94.49)  135.28            389
 04/05/2012   20:45:50   (  49.98,-117.39) 04/05/2012   20:41:56    (  49.56,-119.82)  180.56            234