Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 4 1.  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)
 04/04/2015   07:19:40   (  49.90, -75.98) 04/04/2015   07:25:42    (  50.33, -78.20)  165.31            362
 04/04/2015   08:58:33   (  49.91,-100.70) 04/04/2015   09:06:52    (  51.47,-103.05)  239.74            499
 04/06/2015   18:17:54   (  50.00, -80.19) 04/06/2015   18:15:55    (  49.71, -81.67)  110.39            119
 04/06/2015   19:56:12   (  47.91,-104.06) 04/06/2015   19:56:47    (  47.53,-106.11)  159.03             35
 04/06/2015   21:28:58   (  25.93,-122.12) 04/06/2015   21:31:57    (  25.42,-124.49)  244.14            179
 04/09/2015   07:46:38   (  20.06, -89.53) 04/09/2015   07:40:36    (  20.02, -89.33)   20.89            362
 04/09/2015   09:20:47   (  37.14,-109.83) 04/09/2015   09:17:12    (  37.20,-110.03)   18.92            215