Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 9 8.  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)
 09/10/2013   09:23:29   (  23.94,-113.33) 09/10/2013   09:16:14    (  24.05,-113.78)   47.06            435
 09/13/2013   06:30:24   (  46.48, -65.03) 09/13/2013   06:31:10    (  46.87, -67.01)  157.49             46
 09/13/2013   08:08:19   (  49.93, -88.38) 09/13/2013   08:11:38    (  50.44, -90.85)  185.26            199
 09/13/2013   09:47:12   (  49.93,-113.09) 09/13/2013   09:53:06    (  50.55,-116.17)  229.57            354
 09/15/2013   19:06:31   (  49.97, -92.57) 09/15/2013   19:01:58    (  49.62, -94.49)  143.37            273
 09/15/2013   20:45:24   (  49.96,-117.29) 09/15/2013   20:43:26    (  49.51,-119.82)  188.67            118
 09/18/2013   08:35:14   (  20.02,-101.93) 09/18/2013   08:26:54    (  19.51,-102.23)   64.77            500