Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 9 7.  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)
 09/07/2013   18:16:56   (  49.96, -80.17) 09/07/2013   18:11:05    (  49.66, -81.82)  122.71            351
 09/07/2013   19:55:49   (  49.96,-104.89) 09/07/2013   19:52:33    (  49.55,-107.14)  167.96            196
 09/07/2013   21:31:00   (  36.71,-125.00) 09/07/2013   21:30:13    (  36.23,-127.65)  243.08             47
 09/10/2013   09:23:29   (  23.94,-113.33) 09/10/2013   09:16:14    (  24.05,-113.78)   47.15            435
 09/13/2013   06:30:24   (  46.46, -65.03) 09/13/2013   06:31:10    (  46.87, -67.01)  157.71             46
 09/13/2013   08:08:19   (  49.91, -88.38) 09/13/2013   08:11:39    (  50.38, -90.88)  185.48            200
 09/13/2013   09:47:12   (  49.91,-113.10) 09/13/2013   09:53:06    (  50.55,-116.17)  229.84            354
 09/15/2013   19:06:30   (  49.95, -92.56) 09/15/2013   19:01:58    (  49.62, -94.50)  143.59            272
 09/15/2013   20:45:23   (  49.95,-117.28) 09/15/2013   20:43:26    (  49.51,-119.82)  188.90            117