Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 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)
 09/13/2015   18:16:55   (  49.98, -80.17) 09/13/2015   18:13:45    (  49.71, -81.67)  111.44            190
 09/13/2015   19:55:48   (  49.98,-104.89) 09/13/2015   19:55:13    (  49.60,-107.00)  156.66             35
 09/13/2015   21:29:08   (  30.08,-123.16) 09/13/2015   21:30:58    (  29.58,-125.58)  240.38            110
 09/16/2015   07:45:36   (  20.01, -89.53) 09/16/2015   07:38:26    (  19.99, -89.33)   21.10            430
 09/16/2015   09:20:50   (  33.19,-110.95) 09/16/2015   09:16:09    (  33.27,-111.20)   24.74            281
 09/19/2015   06:30:16   (  46.43, -65.02) 09/19/2015   06:33:37    (  46.81, -66.97)  154.69            201
 09/19/2015   08:08:10   (  49.93, -88.35) 09/19/2015   08:14:04    (  50.43, -90.80)  182.93            354
 09/19/2015   09:47:03   (  49.94,-113.07) 09/19/2015   09:55:22    (  51.11,-115.86)  236.40            499
 09/21/2015   19:06:19   (  49.98, -92.53) 09/21/2015   19:04:18    (  49.64, -94.30)  132.71            121