Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2013 9 12.  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   (  46.46, -65.03) 09/13/2013   06:31:10    (  46.85, -67.02)  157.53             46
 09/13/2013   08:08:19   (  49.91, -88.38) 09/13/2013   08:11:38    (  50.42, -90.86)  185.30            199
 09/13/2013   09:47:12   (  49.92,-113.10) 09/13/2013   09:53:06    (  50.53,-116.18)  229.64            354
 09/15/2013   19:06:31   (  49.99, -92.58) 09/15/2013   19:01:58    (  49.65, -94.50)  143.31            273
 09/15/2013   20:45:24   (  49.98,-117.30) 09/15/2013   20:43:26    (  49.53,-119.83)  188.58            118
 09/18/2013   08:35:14   (  20.05,-101.92) 09/18/2013   08:26:54    (  19.54,-102.22)   64.44            500
 09/18/2013   10:11:45   (  28.61,-124.57) 09/18/2013   10:05:47    (  28.74,-125.24)   67.48            358
 09/21/2013   07:18:57   (  49.92, -76.04) 09/21/2013   07:21:01    (  50.37, -78.20)  161.67            124
 09/21/2013   08:57:50   (  49.93,-100.76) 09/21/2013   09:02:29    (  50.49,-103.52)  206.07            279