Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 9 13.  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)
 09/13/2013   06:30:24   (  46.47, -65.03) 09/13/2013   06:31:10    (  46.86, -67.01)  157.43             46
 09/13/2013   08:08:19   (  49.92, -88.38) 09/13/2013   08:11:38    (  50.43, -90.85)  185.19            199
 09/13/2013   09:47:12   (  49.93,-113.09) 09/13/2013   09:53:06    (  50.54,-116.18)  229.52            354
 09/15/2013   19:06:31   (  49.98, -92.58) 09/15/2013   19:01:58    (  49.63, -94.50)  143.33            273
 09/15/2013   20:45:24   (  49.97,-117.29) 09/15/2013   20:43:26    (  49.52,-119.82)  188.62            118
 09/18/2013   08:35:14   (  20.06,-101.92) 09/18/2013   08:26:55    (  19.50,-102.23)   70.59            499
 09/18/2013   10:11:46   (  28.56,-124.58) 09/18/2013   10:05:48    (  28.69,-125.25)   67.53            358
 09/21/2013   07:18:57   (  49.94, -76.04) 09/21/2013   07:21:02    (  50.33, -78.22)  161.59            125
 09/21/2013   08:57:51   (  49.88,-100.78) 09/21/2013   09:02:30    (  50.45,-103.54)  206.35            279