Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 9 15.  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)
 09/16/2015   07:45:36   (  20.02, -89.53) 09/16/2015   07:38:26    (  20.00, -89.33)   21.11            430
 09/16/2015   09:20:50   (  33.20,-110.94) 09/16/2015   09:16:09    (  33.27,-111.20)   24.65            281
 09/19/2015   06:30:17   (  46.39, -65.04) 09/19/2015   06:33:38    (  46.75, -66.99)  154.80            201
 09/19/2015   08:08:11   (  49.89, -88.37) 09/19/2015   08:14:05    (  50.37, -90.82)  183.06            354
 09/19/2015   09:47:04   (  49.90,-113.09) 09/19/2015   09:55:23    (  51.05,-115.89)  236.07            499
 09/21/2015   19:06:19   (  49.94, -92.52) 09/21/2015   19:04:18    (  49.64, -94.30)  132.54            121
 09/21/2015   20:44:40   (  48.04,-116.46) 09/21/2015   20:45:12    (  47.57,-118.80)  181.94             32
 09/24/2015   06:56:08   (  20.01, -77.17) 09/24/2015   06:47:48    (  19.00, -76.86)  117.14            500
 09/24/2015   08:32:55   (  27.61,-100.06) 09/24/2015   08:26:51    (  27.61,-100.06)    0.32            364
 09/24/2015   10:09:06   (  37.27,-122.14) 09/24/2015   10:05:33    (  37.34,-122.63)   44.21            213