Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 4 23.  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)
 04/25/2015   07:46:47   (  20.03, -89.59) 04/25/2015   07:40:09    (  19.96, -89.29)   31.99            398
 04/25/2015   09:21:30   (  35.07,-110.49) 04/25/2015   09:17:20    (  35.10,-110.62)   12.26            250
 04/28/2015   06:31:23   (  46.58, -65.03) 04/28/2015   06:35:15    (  46.95, -66.87)  146.62            232
 04/28/2015   08:09:20   (  49.90, -88.42) 04/28/2015   08:15:45    (  50.39, -90.78)  176.33            385
 04/30/2015   19:07:25   (  49.96, -92.58) 04/30/2015   19:05:56    (  49.67, -94.25)  124.66             89
 04/30/2015   20:45:14   (  46.17,-115.79) 04/30/2015   20:46:18    (  45.76,-118.01)  177.14             64