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   18:16:54   (  49.95, -80.16) 09/13/2015   18:13:44    (  49.68, -81.66)  111.45            190
 09/13/2015   19:55:47   (  49.95,-104.88) 09/13/2015   19:55:12    (  49.58,-106.98)  156.70             35
 09/13/2015   21:29:08   (  30.11,-123.17) 09/13/2015   21:30:58    (  29.61,-125.59)  240.35            110
 09/16/2015   07:45:36   (  20.04, -89.52) 09/16/2015   07:38:26    (  20.02, -89.32)   21.08            430
 09/16/2015   09:20:50   (  33.22,-110.94) 09/16/2015   09:16:09    (  33.29,-111.19)   24.69            281
 09/19/2015   06:30:17   (  46.40, -65.03) 09/19/2015   06:33:38    (  46.78, -66.98)  154.83            201
 09/19/2015   08:08:11   (  49.91, -88.36) 09/19/2015   08:14:05    (  50.39, -90.82)  183.09            354
 09/19/2015   09:47:04   (  49.91,-113.08) 09/19/2015   09:55:23    (  51.07,-115.88)  236.39            499
 09/21/2015   19:06:19   (  50.00, -92.54) 09/21/2015   19:04:18    (  49.67, -94.32)  132.61            121
 09/21/2015   20:44:39   (  48.04,-116.46) 09/21/2015   20:45:12    (  47.61,-118.81)  181.98             33