Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 7 10.  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)
 07/11/2013   06:31:18   (  44.20, -65.87) 07/11/2013   06:30:38    (  44.54, -67.81)  158.80             40
 07/11/2013   08:08:35   (  49.91, -88.40) 07/11/2013   08:10:27    (  50.36, -90.78)  176.86            112
 07/11/2013   09:47:28   (  49.91,-113.12) 07/11/2013   09:51:54    (  50.53,-116.08)  221.26            266
 07/13/2013   19:06:44   (  49.99, -92.58) 07/13/2013   19:00:43    (  49.68, -94.39)  134.62            361
 07/13/2013   20:45:37   (  49.99,-117.30) 07/13/2013   20:42:11    (  49.57,-119.72)  179.86            206
 07/19/2013   07:19:04   (  49.90, -76.04) 07/19/2013   07:19:39    (  50.31, -78.08)  152.70             35
 07/19/2013   08:57:57   (  49.91,-100.76) 07/19/2013   09:01:07    (  50.41,-103.41)  197.20            190