Simultaneous Nadir Overpasses (SNOs) near US between AQUA and NPP
TLE Epoch: 2015 3 21.  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)
 03/24/2015   07:46:21   (  20.01, -89.46) 03/24/2015   07:40:59    (  19.99, -89.37)   10.02            322
 03/24/2015   09:19:50   (  39.48,-109.04) 03/24/2015   09:16:54    (  39.56,-109.31)   24.63            176
 03/27/2015   06:31:04   (  46.16, -65.03) 03/27/2015   06:36:13    (  46.59, -67.12)  166.68            309
 03/27/2015   08:08:54   (  49.90, -88.27) 03/27/2015   08:16:36    (  50.44, -90.86)  193.44            462
 03/29/2015   19:07:02   (  49.98, -92.48) 03/29/2015   19:06:50    (  49.63, -94.33)  138.19             12
 03/29/2015   20:43:36   (  41.71,-114.13) 03/29/2015   20:45:55    (  41.26,-116.47)  200.94            139